// GENERATED, DO NOT EDIT // file: assertRelativeDateMs.js // Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Verify that the given date object's Number representation describes the correct number of milliseconds since the Unix epoch relative to the local time zone (as interpreted at the specified date). defines: [assertRelativeDateMs] ---*/ /** * @param {Date} date * @param {Number} expectedMs */ function assertRelativeDateMs(date, expectedMs) { var actualMs = date.valueOf(); var localOffset = date.getTimezoneOffset() * 60000; if (actualMs - localOffset !== expectedMs) { throw new Test262Error( 'Expected ' + date + ' to be ' + expectedMs + ' milliseconds from the Unix epoch' ); } } // file: asyncHelpers.js // Copyright (C) 2022 Igalia, S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | A collection of assertion and wrapper functions for testing asynchronous built-ins. defines: [asyncTest] ---*/ function asyncTest(testFunc) { if (!Object.hasOwn(globalThis, "$DONE")) { throw new Test262Error("asyncTest called without async flag"); } if (typeof testFunc !== "function") { $DONE(new Test262Error("asyncTest called with non-function argument")); return; } try { testFunc().then( function () { $DONE(); }, function (error) { $DONE(error); } ); } catch (syncError) { $DONE(syncError); } } assert.throwsAsync = async function (expectedErrorConstructor, func, message) { var innerThenable; if (message === undefined) { message = ""; } else { message += " "; } if (typeof func === "function") { try { innerThenable = func(); if ( innerThenable === null || typeof innerThenable !== "object" || typeof innerThenable.then !== "function" ) { message += "Expected to obtain an inner promise that would reject with a" + expectedErrorConstructor.name + " but result was not a thenable"; throw new Test262Error(message); } } catch (thrown) { message += "Expected a " + expectedErrorConstructor.name + " to be thrown asynchronously but an exception was thrown synchronously while obtaining the inner promise"; throw new Test262Error(message); } } else { message += "assert.throwsAsync called with an argument that is not a function"; throw new Test262Error(message); } try { return innerThenable.then( function () { message += "Expected a " + expectedErrorConstructor.name + " to be thrown asynchronously but no exception was thrown at all"; throw new Test262Error(message); }, function (thrown) { var expectedName, actualName; if (typeof thrown !== "object" || thrown === null) { message += "Thrown value was not an object!"; throw new Test262Error(message); } else if (thrown.constructor !== expectedErrorConstructor) { expectedName = expectedErrorConstructor.name; actualName = thrown.constructor.name; if (expectedName === actualName) { message += "Expected a " + expectedName + " but got a different error constructor with the same name"; } else { message += "Expected a " + expectedName + " but got a " + actualName; } throw new Test262Error(message); } } ); } catch (thrown) { if (typeof thrown !== "object" || thrown === null) { message += "Expected a " + expectedErrorConstructor.name + " to be thrown asynchronously but innerThenable synchronously threw a value that was not an object "; } else { message += "Expected a " + expectedErrorConstructor.name + " to be thrown asynchronously but a " + thrown.constructor.name + " was thrown synchronously"; } throw new Test262Error(message); } }; // file: byteConversionValues.js // Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Provide a list for original and expected values for different byte conversions. This helper is mostly used on tests for TypedArray and DataView, and each array from the expected values must match the original values array on every index containing its original value. defines: [byteConversionValues] ---*/ var byteConversionValues = { values: [ 127, // 2 ** 7 - 1 128, // 2 ** 7 32767, // 2 ** 15 - 1 32768, // 2 ** 15 2147483647, // 2 ** 31 - 1 2147483648, // 2 ** 31 255, // 2 ** 8 - 1 256, // 2 ** 8 65535, // 2 ** 16 - 1 65536, // 2 ** 16 4294967295, // 2 ** 32 - 1 4294967296, // 2 ** 32 9007199254740991, // 2 ** 53 - 1 9007199254740992, // 2 ** 53 1.1, 0.1, 0.5, 0.50000001, 0.6, 0.7, undefined, -1, -0, -0.1, -1.1, NaN, -127, // - ( 2 ** 7 - 1 ) -128, // - ( 2 ** 7 ) -32767, // - ( 2 ** 15 - 1 ) -32768, // - ( 2 ** 15 ) -2147483647, // - ( 2 ** 31 - 1 ) -2147483648, // - ( 2 ** 31 ) -255, // - ( 2 ** 8 - 1 ) -256, // - ( 2 ** 8 ) -65535, // - ( 2 ** 16 - 1 ) -65536, // - ( 2 ** 16 ) -4294967295, // - ( 2 ** 32 - 1 ) -4294967296, // - ( 2 ** 32 ) Infinity, -Infinity, 0, 2049, // an integer which rounds down under ties-to-even when cast to float16 2051, // an integer which rounds up under ties-to-even when cast to float16 0.00006103515625, // smallest normal float16 0.00006097555160522461, // largest subnormal float16 5.960464477539063e-8, // smallest float16 2.9802322387695312e-8, // largest double which rounds to 0 when cast to float16 2.980232238769532e-8, // smallest double which does not round to 0 when cast to float16 8.940696716308594e-8, // a double which rounds up to a subnormal under ties-to-even when cast to float16 1.4901161193847656e-7, // a double which rounds down to a subnormal under ties-to-even when cast to float16 1.490116119384766e-7, // the next double above the one on the previous line one 65504, // max finite float16 65520, // smallest double which rounds to infinity when cast to float16 65519.99999999999, // largest double which does not round to infinity when cast to float16 0.000061005353927612305, // smallest double which rounds to a non-subnormal when cast to float16 0.0000610053539276123 // largest double which rounds to a subnormal when cast to float16 ], expected: { Int8: [ 127, // 127 -128, // 128 -1, // 32767 0, // 32768 -1, // 2147483647 0, // 2147483648 -1, // 255 0, // 256 -1, // 65535 0, // 65536 -1, // 4294967295 0, // 4294967296 -1, // 9007199254740991 0, // 9007199254740992 1, // 1.1 0, // 0.1 0, // 0.5 0, // 0.50000001, 0, // 0.6 0, // 0.7 0, // undefined -1, // -1 0, // -0 0, // -0.1 -1, // -1.1 0, // NaN -127, // -127 -128, // -128 1, // -32767 0, // -32768 1, // -2147483647 0, // -2147483648 1, // -255 0, // -256 1, // -65535 0, // -65536 1, // -4294967295 0, // -4294967296 0, // Infinity 0, // -Infinity 0, // 0 1, // 2049 3, // 2051 0, // 0.00006103515625 0, // 0.00006097555160522461 0, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 0, // 2.980232238769532e-8 0, // 8.940696716308594e-8 0, // 1.4901161193847656e-7 0, // 1.490116119384766e-7 -32, // 65504 -16, // 65520 -17, // 65519.99999999999 0, // 0.000061005353927612305 0 // 0.0000610053539276123 ], Uint8: [ 127, // 127 128, // 128 255, // 32767 0, // 32768 255, // 2147483647 0, // 2147483648 255, // 255 0, // 256 255, // 65535 0, // 65536 255, // 4294967295 0, // 4294967296 255, // 9007199254740991 0, // 9007199254740992 1, // 1.1 0, // 0.1 0, // 0.5 0, // 0.50000001, 0, // 0.6 0, // 0.7 0, // undefined 255, // -1 0, // -0 0, // -0.1 255, // -1.1 0, // NaN 129, // -127 128, // -128 1, // -32767 0, // -32768 1, // -2147483647 0, // -2147483648 1, // -255 0, // -256 1, // -65535 0, // -65536 1, // -4294967295 0, // -4294967296 0, // Infinity 0, // -Infinity 0, // 0 1, // 2049 3, // 2051 0, // 0.00006103515625 0, // 0.00006097555160522461 0, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 0, // 2.980232238769532e-8 0, // 8.940696716308594e-8 0, // 1.4901161193847656e-7 0, // 1.490116119384766e-7 224, // 65504 240, // 65520 239, // 65519.99999999999 0, // 0.000061005353927612305 0 // 0.0000610053539276123 ], Uint8Clamped: [ 127, // 127 128, // 128 255, // 32767 255, // 32768 255, // 2147483647 255, // 2147483648 255, // 255 255, // 256 255, // 65535 255, // 65536 255, // 4294967295 255, // 4294967296 255, // 9007199254740991 255, // 9007199254740992 1, // 1.1, 0, // 0.1 0, // 0.5 1, // 0.50000001, 1, // 0.6 1, // 0.7 0, // undefined 0, // -1 0, // -0 0, // -0.1 0, // -1.1 0, // NaN 0, // -127 0, // -128 0, // -32767 0, // -32768 0, // -2147483647 0, // -2147483648 0, // -255 0, // -256 0, // -65535 0, // -65536 0, // -4294967295 0, // -4294967296 255, // Infinity 0, // -Infinity 0, // 0 255, // 2049 255, // 2051 0, // 0.00006103515625 0, // 0.00006097555160522461 0, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 0, // 2.980232238769532e-8 0, // 8.940696716308594e-8 0, // 1.4901161193847656e-7 0, // 1.490116119384766e-7 255, // 65504 255, // 65520 255, // 65519.99999999999 0, // 0.000061005353927612305 0 // 0.0000610053539276123 ], Int16: [ 127, // 127 128, // 128 32767, // 32767 -32768, // 32768 -1, // 2147483647 0, // 2147483648 255, // 255 256, // 256 -1, // 65535 0, // 65536 -1, // 4294967295 0, // 4294967296 -1, // 9007199254740991 0, // 9007199254740992 1, // 1.1 0, // 0.1 0, // 0.5 0, // 0.50000001, 0, // 0.6 0, // 0.7 0, // undefined -1, // -1 0, // -0 0, // -0.1 -1, // -1.1 0, // NaN -127, // -127 -128, // -128 -32767, // -32767 -32768, // -32768 1, // -2147483647 0, // -2147483648 -255, // -255 -256, // -256 1, // -65535 0, // -65536 1, // -4294967295 0, // -4294967296 0, // Infinity 0, // -Infinity 0, // 0 2049, // 2049 2051, // 2051 0, // 0.00006103515625 0, // 0.00006097555160522461 0, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 0, // 2.980232238769532e-8 0, // 8.940696716308594e-8 0, // 1.4901161193847656e-7 0, // 1.490116119384766e-7 -32, // 65504 -16, // 65520 -17, // 65519.99999999999 0, // 0.000061005353927612305 0 // 0.0000610053539276123 ], Uint16: [ 127, // 127 128, // 128 32767, // 32767 32768, // 32768 65535, // 2147483647 0, // 2147483648 255, // 255 256, // 256 65535, // 65535 0, // 65536 65535, // 4294967295 0, // 4294967296 65535, // 9007199254740991 0, // 9007199254740992 1, // 1.1 0, // 0.1 0, // 0.5 0, // 0.50000001, 0, // 0.6 0, // 0.7 0, // undefined 65535, // -1 0, // -0 0, // -0.1 65535, // -1.1 0, // NaN 65409, // -127 65408, // -128 32769, // -32767 32768, // -32768 1, // -2147483647 0, // -2147483648 65281, // -255 65280, // -256 1, // -65535 0, // -65536 1, // -4294967295 0, // -4294967296 0, // Infinity 0, // -Infinity 0, // 0 2049, // 2049 2051, // 2051 0, // 0.00006103515625 0, // 0.00006097555160522461 0, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 0, // 2.980232238769532e-8 0, // 8.940696716308594e-8 0, // 1.4901161193847656e-7 0, // 1.490116119384766e-7 65504, // 65504 65520, // 65520 65519, // 65519.99999999999 0, // 0.000061005353927612305 0 // 0.0000610053539276123 ], Int32: [ 127, // 127 128, // 128 32767, // 32767 32768, // 32768 2147483647, // 2147483647 -2147483648, // 2147483648 255, // 255 256, // 256 65535, // 65535 65536, // 65536 -1, // 4294967295 0, // 4294967296 -1, // 9007199254740991 0, // 9007199254740992 1, // 1.1 0, // 0.1 0, // 0.5 0, // 0.50000001, 0, // 0.6 0, // 0.7 0, // undefined -1, // -1 0, // -0 0, // -0.1 -1, // -1.1 0, // NaN -127, // -127 -128, // -128 -32767, // -32767 -32768, // -32768 -2147483647, // -2147483647 -2147483648, // -2147483648 -255, // -255 -256, // -256 -65535, // -65535 -65536, // -65536 1, // -4294967295 0, // -4294967296 0, // Infinity 0, // -Infinity 0, // 0 2049, // 2049 2051, // 2051 0, // 0.00006103515625 0, // 0.00006097555160522461 0, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 0, // 2.980232238769532e-8 0, // 8.940696716308594e-8 0, // 1.4901161193847656e-7 0, // 1.490116119384766e-7 65504, // 65504 65520, // 65520 65519, // 65519.99999999999 0, // 0.000061005353927612305 0 // 0.0000610053539276123 ], Uint32: [ 127, // 127 128, // 128 32767, // 32767 32768, // 32768 2147483647, // 2147483647 2147483648, // 2147483648 255, // 255 256, // 256 65535, // 65535 65536, // 65536 4294967295, // 4294967295 0, // 4294967296 4294967295, // 9007199254740991 0, // 9007199254740992 1, // 1.1 0, // 0.1 0, // 0.5 0, // 0.50000001, 0, // 0.6 0, // 0.7 0, // undefined 4294967295, // -1 0, // -0 0, // -0.1 4294967295, // -1.1 0, // NaN 4294967169, // -127 4294967168, // -128 4294934529, // -32767 4294934528, // -32768 2147483649, // -2147483647 2147483648, // -2147483648 4294967041, // -255 4294967040, // -256 4294901761, // -65535 4294901760, // -65536 1, // -4294967295 0, // -4294967296 0, // Infinity 0, // -Infinity 0, // 0 2049, // 2049 2051, // 2051 0, // 0.00006103515625 0, // 0.00006097555160522461 0, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 0, // 2.980232238769532e-8 0, // 8.940696716308594e-8 0, // 1.4901161193847656e-7 0, // 1.490116119384766e-7 65504, // 65504 65520, // 65520 65519, // 65519.99999999999 0, // 0.000061005353927612305 0 // 0.0000610053539276123 ], Float16: [ 127, // 127 128, // 128 32768, // 32767 32768, // 32768 Infinity, // 2147483647 Infinity, // 2147483648 255, // 255 256, // 256 Infinity, // 65535 Infinity, // 65536 Infinity, // 4294967295 Infinity, // 4294967296 Infinity, // 9007199254740991 Infinity, // 9007199254740992 1.099609375, // 1.1 0.0999755859375, // 0.1 0.5, // 0.5 0.5, // 0.50000001, 0.60009765625, // 0.6 0.7001953125, // 0.7 NaN, // undefined -1, // -1 -0, // -0 -0.0999755859375, // -0.1 -1.099609375, // -1.1 NaN, // NaN -127, // -127 -128, // -128 -32768, // -32767 -32768, // -32768 -Infinity, // -2147483647 -Infinity, // -2147483648 -255, // -255 -256, // -256 -Infinity, // -65535 -Infinity, // -65536 -Infinity, // -4294967295 -Infinity, // -4294967296 Infinity, // Infinity -Infinity, // -Infinity 0, // 0 2048, // 2049 2052, // 2051 0.00006103515625, // 0.00006103515625 0.00006097555160522461, // 0.00006097555160522461 5.960464477539063e-8, // 5.960464477539063e-8 0, // 2.9802322387695312e-8 5.960464477539063e-8, // 2.980232238769532e-8 1.1920928955078125e-7, // 8.940696716308594e-8 1.1920928955078125e-7, // 1.4901161193847656e-7 1.7881393432617188e-7, // 1.490116119384766e-7 65504, // 65504 Infinity, // 65520 65504, // 65519.99999999999 0.00006103515625, // 0.000061005353927612305 0.00006097555160522461 // 0.0000610053539276123 ], Float32: [ 127, // 127 128, // 128 32767, // 32767 32768, // 32768 2147483648, // 2147483647 2147483648, // 2147483648 255, // 255 256, // 256 65535, // 65535 65536, // 65536 4294967296, // 4294967295 4294967296, // 4294967296 9007199254740992, // 9007199254740991 9007199254740992, // 9007199254740992 1.100000023841858, // 1.1 0.10000000149011612, // 0.1 0.5, // 0.5 0.5, // 0.50000001, 0.6000000238418579, // 0.6 0.699999988079071, // 0.7 NaN, // undefined -1, // -1 -0, // -0 -0.10000000149011612, // -0.1 -1.100000023841858, // -1.1 NaN, // NaN -127, // -127 -128, // -128 -32767, // -32767 -32768, // -32768 -2147483648, // -2147483647 -2147483648, // -2147483648 -255, // -255 -256, // -256 -65535, // -65535 -65536, // -65536 -4294967296, // -4294967295 -4294967296, // -4294967296 Infinity, // Infinity -Infinity, // -Infinity 0, // 0 2049, // 2049 2051, // 2051 0.00006103515625, // 0.00006103515625 0.00006097555160522461, // 0.00006097555160522461 5.960464477539063e-8, // 5.960464477539063e-8 2.9802322387695312e-8, // 2.9802322387695312e-8 2.9802322387695312e-8, // 2.980232238769532e-8 8.940696716308594e-8, // 8.940696716308594e-8 1.4901161193847656e-7, // 1.4901161193847656e-7 1.4901161193847656e-7, // 1.490116119384766e-7 65504, // 65504 65520, // 65520 65520, // 65519.99999999999 0.000061005353927612305, // 0.000061005353927612305 0.000061005353927612305 // 0.0000610053539276123 ], Float64: [ 127, // 127 128, // 128 32767, // 32767 32768, // 32768 2147483647, // 2147483647 2147483648, // 2147483648 255, // 255 256, // 256 65535, // 65535 65536, // 65536 4294967295, // 4294967295 4294967296, // 4294967296 9007199254740991, // 9007199254740991 9007199254740992, // 9007199254740992 1.1, // 1.1 0.1, // 0.1 0.5, // 0.5 0.50000001, // 0.50000001, 0.6, // 0.6 0.7, // 0.7 NaN, // undefined -1, // -1 -0, // -0 -0.1, // -0.1 -1.1, // -1.1 NaN, // NaN -127, // -127 -128, // -128 -32767, // -32767 -32768, // -32768 -2147483647, // -2147483647 -2147483648, // -2147483648 -255, // -255 -256, // -256 -65535, // -65535 -65536, // -65536 -4294967295, // -4294967295 -4294967296, // -4294967296 Infinity, // Infinity -Infinity, // -Infinity 0, // 0 2049, // 2049 2051, // 2051 0.00006103515625, // 0.00006103515625 0.00006097555160522461, // 0.00006097555160522461 5.960464477539063e-8, // 5.960464477539063e-8 2.9802322387695312e-8, // 2.9802322387695312e-8 2.980232238769532e-8, // 2.980232238769532e-8 8.940696716308594e-8, // 8.940696716308594e-8 1.4901161193847656e-7, // 1.4901161193847656e-7 1.490116119384766e-7, // 1.490116119384766e-7 65504, // 65504 65520, // 65520 65519.99999999999, // 65519.99999999999 0.000061005353927612305, // 0.000061005353927612305 0.0000610053539276123 // 0.0000610053539276123 ] } }; // file: dateConstants.js // Copyright (C) 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Collection of date-centric values defines: - date_1899_end - date_1900_start - date_1969_end - date_1970_start - date_1999_end - date_2000_start - date_2099_end - date_2100_start - start_of_time - end_of_time ---*/ var date_1899_end = -2208988800001; var date_1900_start = -2208988800000; var date_1969_end = -1; var date_1970_start = 0; var date_1999_end = 946684799999; var date_2000_start = 946684800000; var date_2099_end = 4102444799999; var date_2100_start = 4102444800000; var start_of_time = -8.64e15; var end_of_time = 8.64e15; // file: decimalToHexString.js // Copyright (C) 2017 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Collection of functions used to assert the correctness of various encoding operations. defines: [decimalToHexString, decimalToPercentHexString] ---*/ function decimalToHexString(n) { var hex = "0123456789ABCDEF"; n >>>= 0; var s = ""; while (n) { s = hex[n & 0xf] + s; n >>>= 4; } while (s.length < 4) { s = "0" + s; } return s; } function decimalToPercentHexString(n) { var hex = "0123456789ABCDEF"; return "%" + hex[(n >> 4) & 0xf] + hex[n & 0xf]; } // file: deepEqual.js // Copyright 2019 Ron Buckton. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: > Compare two values structurally defines: [assert.deepEqual] ---*/ assert.deepEqual = function(actual, expected, message) { var format = assert.deepEqual.format; assert( assert.deepEqual._compare(actual, expected), `Expected ${format(actual)} to be structurally equal to ${format(expected)}. ${(message || '')}` ); }; assert.deepEqual.format = function(value, seen) { switch (typeof value) { case 'string': return typeof JSON !== "undefined" ? JSON.stringify(value) : `"${value}"`; case 'number': case 'boolean': case 'symbol': case 'bigint': return value.toString(); case 'undefined': return 'undefined'; case 'function': return `[Function${value.name ? `: ${value.name}` : ''}]`; case 'object': if (value === null) return 'null'; if (value instanceof Date) return `Date "${value.toISOString()}"`; if (value instanceof RegExp) return value.toString(); if (!seen) { seen = { counter: 0, map: new Map() }; } let usage = seen.map.get(value); if (usage) { usage.used = true; return `[Ref: #${usage.id}]`; } usage = { id: ++seen.counter, used: false }; seen.map.set(value, usage); if (typeof Set !== "undefined" && value instanceof Set) { return `Set {${Array.from(value).map(value => assert.deepEqual.format(value, seen)).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`; } if (typeof Map !== "undefined" && value instanceof Map) { return `Map {${Array.from(value).map(pair => `${assert.deepEqual.format(pair[0], seen)} => ${assert.deepEqual.format(pair[1], seen)}}`).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`; } if (Array.isArray ? Array.isArray(value) : value instanceof Array) { return `[${value.map(value => assert.deepEqual.format(value, seen)).join(', ')}]${usage.used ? ` as #${usage.id}` : ''}`; } let tag = Symbol.toStringTag in value ? value[Symbol.toStringTag] : 'Object'; if (tag === 'Object' && Object.getPrototypeOf(value) === null) { tag = '[Object: null prototype]'; } return `${tag ? `${tag} ` : ''}{ ${Object.keys(value).map(key => `${key.toString()}: ${assert.deepEqual.format(value[key], seen)}`).join(', ')} }${usage.used ? ` as #${usage.id}` : ''}`; default: return typeof value; } }; assert.deepEqual._compare = (function () { var EQUAL = 1; var NOT_EQUAL = -1; var UNKNOWN = 0; function deepEqual(a, b) { return compareEquality(a, b) === EQUAL; } function compareEquality(a, b, cache) { return compareIf(a, b, isOptional, compareOptionality) || compareIf(a, b, isPrimitiveEquatable, comparePrimitiveEquality) || compareIf(a, b, isObjectEquatable, compareObjectEquality, cache) || NOT_EQUAL; } function compareIf(a, b, test, compare, cache) { return !test(a) ? !test(b) ? UNKNOWN : NOT_EQUAL : !test(b) ? NOT_EQUAL : cacheComparison(a, b, compare, cache); } function tryCompareStrictEquality(a, b) { return a === b ? EQUAL : UNKNOWN; } function tryCompareTypeOfEquality(a, b) { return typeof a !== typeof b ? NOT_EQUAL : UNKNOWN; } function tryCompareToStringTagEquality(a, b) { var aTag = Symbol.toStringTag in a ? a[Symbol.toStringTag] : undefined; var bTag = Symbol.toStringTag in b ? b[Symbol.toStringTag] : undefined; return aTag !== bTag ? NOT_EQUAL : UNKNOWN; } function isOptional(value) { return value === undefined || value === null; } function compareOptionality(a, b) { return tryCompareStrictEquality(a, b) || NOT_EQUAL; } function isPrimitiveEquatable(value) { switch (typeof value) { case 'string': case 'number': case 'bigint': case 'boolean': case 'symbol': return true; default: return isBoxed(value); } } function comparePrimitiveEquality(a, b) { if (isBoxed(a)) a = a.valueOf(); if (isBoxed(b)) b = b.valueOf(); return tryCompareStrictEquality(a, b) || tryCompareTypeOfEquality(a, b) || compareIf(a, b, isNaNEquatable, compareNaNEquality) || NOT_EQUAL; } function isNaNEquatable(value) { return typeof value === 'number'; } function compareNaNEquality(a, b) { return isNaN(a) && isNaN(b) ? EQUAL : NOT_EQUAL; } function isObjectEquatable(value) { return typeof value === 'object'; } function compareObjectEquality(a, b, cache) { if (!cache) cache = new Map(); return getCache(cache, a, b) || setCache(cache, a, b, EQUAL) // consider equal for now || cacheComparison(a, b, tryCompareStrictEquality, cache) || cacheComparison(a, b, tryCompareToStringTagEquality, cache) || compareIf(a, b, isValueOfEquatable, compareValueOfEquality) || compareIf(a, b, isToStringEquatable, compareToStringEquality) || compareIf(a, b, isArrayLikeEquatable, compareArrayLikeEquality, cache) || compareIf(a, b, isStructurallyEquatable, compareStructuralEquality, cache) || compareIf(a, b, isIterableEquatable, compareIterableEquality, cache) || cacheComparison(a, b, fail, cache); } function isBoxed(value) { return value instanceof String || value instanceof Number || value instanceof Boolean || typeof Symbol === 'function' && value instanceof Symbol || typeof BigInt === 'function' && value instanceof BigInt; } function isValueOfEquatable(value) { return value instanceof Date; } function compareValueOfEquality(a, b) { return compareIf(a.valueOf(), b.valueOf(), isPrimitiveEquatable, comparePrimitiveEquality) || NOT_EQUAL; } function isToStringEquatable(value) { return value instanceof RegExp; } function compareToStringEquality(a, b) { return compareIf(a.toString(), b.toString(), isPrimitiveEquatable, comparePrimitiveEquality) || NOT_EQUAL; } function isArrayLikeEquatable(value) { return (Array.isArray ? Array.isArray(value) : value instanceof Array) || (typeof Uint8Array === 'function' && value instanceof Uint8Array) || (typeof Uint8ClampedArray === 'function' && value instanceof Uint8ClampedArray) || (typeof Uint16Array === 'function' && value instanceof Uint16Array) || (typeof Uint32Array === 'function' && value instanceof Uint32Array) || (typeof Int8Array === 'function' && value instanceof Int8Array) || (typeof Int16Array === 'function' && value instanceof Int16Array) || (typeof Int32Array === 'function' && value instanceof Int32Array) || (typeof Float32Array === 'function' && value instanceof Float32Array) || (typeof Float64Array === 'function' && value instanceof Float64Array) || (typeof BigUint64Array === 'function' && value instanceof BigUint64Array) || (typeof BigInt64Array === 'function' && value instanceof BigInt64Array); } function compareArrayLikeEquality(a, b, cache) { if (a.length !== b.length) return NOT_EQUAL; for (var i = 0; i < a.length; i++) { if (compareEquality(a[i], b[i], cache) === NOT_EQUAL) { return NOT_EQUAL; } } return EQUAL; } function isStructurallyEquatable(value) { return !(typeof Promise === 'function' && value instanceof Promise // only comparable by reference || typeof WeakMap === 'function' && value instanceof WeakMap // only comparable by reference || typeof WeakSet === 'function' && value instanceof WeakSet // only comparable by reference || typeof Map === 'function' && value instanceof Map // comparable via @@iterator || typeof Set === 'function' && value instanceof Set); // comparable via @@iterator } function compareStructuralEquality(a, b, cache) { var aKeys = []; for (var key in a) aKeys.push(key); var bKeys = []; for (var key in b) bKeys.push(key); if (aKeys.length !== bKeys.length) { return NOT_EQUAL; } aKeys.sort(); bKeys.sort(); for (var i = 0; i < aKeys.length; i++) { var aKey = aKeys[i]; var bKey = bKeys[i]; if (compareEquality(aKey, bKey, cache) === NOT_EQUAL) { return NOT_EQUAL; } if (compareEquality(a[aKey], b[bKey], cache) === NOT_EQUAL) { return NOT_EQUAL; } } return compareIf(a, b, isIterableEquatable, compareIterableEquality, cache) || EQUAL; } function isIterableEquatable(value) { return typeof Symbol === 'function' && typeof value[Symbol.iterator] === 'function'; } function compareIteratorEquality(a, b, cache) { if (typeof Map === 'function' && a instanceof Map && b instanceof Map || typeof Set === 'function' && a instanceof Set && b instanceof Set) { if (a.size !== b.size) return NOT_EQUAL; // exit early if we detect a difference in size } var ar, br; while (true) { ar = a.next(); br = b.next(); if (ar.done) { if (br.done) return EQUAL; if (b.return) b.return(); return NOT_EQUAL; } if (br.done) { if (a.return) a.return(); return NOT_EQUAL; } if (compareEquality(ar.value, br.value, cache) === NOT_EQUAL) { if (a.return) a.return(); if (b.return) b.return(); return NOT_EQUAL; } } } function compareIterableEquality(a, b, cache) { return compareIteratorEquality(a[Symbol.iterator](), b[Symbol.iterator](), cache); } function cacheComparison(a, b, compare, cache) { var result = compare(a, b, cache); if (cache && (result === EQUAL || result === NOT_EQUAL)) { setCache(cache, a, b, /** @type {EQUAL | NOT_EQUAL} */(result)); } return result; } function fail() { return NOT_EQUAL; } function setCache(cache, left, right, result) { var otherCache; otherCache = cache.get(left); if (!otherCache) cache.set(left, otherCache = new Map()); otherCache.set(right, result); otherCache = cache.get(right); if (!otherCache) cache.set(right, otherCache = new Map()); otherCache.set(left, result); } function getCache(cache, left, right) { var otherCache; var result; otherCache = cache.get(left); result = otherCache && otherCache.get(right); if (result) return result; otherCache = cache.get(right); result = otherCache && otherCache.get(left); if (result) return result; return UNKNOWN; } return deepEqual; })(); // file: detachArrayBuffer.js // Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | A function used in the process of asserting correctness of TypedArray objects. $262.detachArrayBuffer is defined by a host. defines: [$DETACHBUFFER] ---*/ function $DETACHBUFFER(buffer) { if (!$262 || typeof $262.detachArrayBuffer !== "function") { throw new Test262Error("No method available to detach an ArrayBuffer"); } $262.detachArrayBuffer(buffer); } // file: fnGlobalObject.js // Copyright (C) 2017 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Produce a reliable global object defines: [fnGlobalObject] ---*/ var __globalObject = Function("return this;")(); function fnGlobalObject() { return __globalObject; } // file: isConstructor.js // Copyright (C) 2017 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Test if a given function is a constructor function. defines: [isConstructor] features: [Reflect.construct] ---*/ function isConstructor(f) { if (typeof f !== "function") { throw new Test262Error("isConstructor invoked with a non-function value"); } try { Reflect.construct(function(){}, [], f); } catch (e) { return false; } return true; } // file: nans.js // Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | A collection of NaN values produced from expressions that have been observed to create distinct bit representations on various platforms. These provide a weak basis for assertions regarding the consistent canonicalization of NaN values in Array buffers. defines: [NaNs] ---*/ var NaNs = [ NaN, Number.NaN, NaN * 0, 0/0, Infinity/Infinity, -(0/0), Math.pow(-1, 0.5), -Math.pow(-1, 0.5), Number("Not-a-Number"), ]; // file: nativeFunctionMatcher.js // Copyright (C) 2016 Michael Ficarra. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: Assert _NativeFunction_ Syntax info: | NativeFunction : function _NativeFunctionAccessor_ opt _IdentifierName_ opt ( _FormalParameters_ ) { [ native code ] } NativeFunctionAccessor : get set defines: - assertToStringOrNativeFunction - assertNativeFunction - validateNativeFunctionSource ---*/ const validateNativeFunctionSource = function(source) { // These regexes should be kept up to date with Unicode using `regexpu-core`. // `/\p{ID_Start}/u` const UnicodeIDStart = 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// `/\p{ID_Continue}/u` const UnicodeIDContinue = 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\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE35\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2\uDD00-\uDD27\uDD30-\uDD39\uDE80-\uDEA9\uDEAB\uDEAC\uDEB0\uDEB1\uDF00-\uDF1C\uDF27\uDF30-\uDF50\uDFB0-\uDFC4\uDFE0-\uDFF6]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD44-\uDD47\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDC9-\uDDCC\uDDCE-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3B-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC5E-\uDC61\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB8\uDEC0-\uDEC9\uDF00-\uDF1A\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDC00-\uDC3A\uDCA0-\uDCE9\uDCFF-\uDD06\uDD09\uDD0C-\uDD13\uDD15\uDD16\uDD18-\uDD35\uDD37\uDD38\uDD3B-\uDD43\uDD50-\uDD59\uDDA0-\uDDA7\uDDAA-\uDDD7\uDDDA-\uDDE1\uDDE3\uDDE4\uDE00-\uDE3E\uDE47\uDE50-\uDE99\uDE9D\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD36\uDD3A\uDD3C\uDD3D\uDD3F-\uDD47\uDD50-\uDD59\uDD60-\uDD65\uDD67\uDD68\uDD6A-\uDD8E\uDD90\uDD91\uDD93-\uDD98\uDDA0-\uDDA9\uDEE0-\uDEF6\uDFB0]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD822\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879\uD880-\uD883][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDE40-\uDE7F\uDF00-\uDF4A\uDF4F-\uDF87\uDF8F-\uDF9F\uDFE0\uDFE1\uDFE3\uDFE4\uDFF0\uDFF1]|\uD821[\uDC00-\uDFF7]|\uD823[\uDC00-\uDCD5\uDD00-\uDD08]|\uD82C[\uDC00-\uDD1E\uDD50-\uDD52\uDD64-\uDD67\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A\uDD00-\uDD2C\uDD30-\uDD3D\uDD40-\uDD49\uDD4E\uDEC0-\uDEF9]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4B\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD83E[\uDFF0-\uDFF9]|\uD869[\uDC00-\uDEDD\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uD884[\uDC00-\uDF4A]|\uDB40[\uDD00-\uDDEF])/; // `/\p{Space_Separator}/u` const UnicodeSpaceSeparator = /[ \xA0\u1680\u2000-\u200A\u202F\u205F\u3000]/; const isNewline = (c) => /[\u000A\u000D\u2028\u2029]/u.test(c); const isWhitespace = (c) => /[\u0009\u000B\u000C\u0020\u00A0\uFEFF]/u.test(c) || UnicodeSpaceSeparator.test(c); let pos = 0; const eatWhitespace = () => { while (pos < source.length) { const c = source[pos]; if (isWhitespace(c) || isNewline(c)) { pos += 1; continue; } if (c === '/') { if (source[pos + 1] === '/') { while (pos < source.length) { if (isNewline(source[pos])) { break; } pos += 1; } continue; } if (source[pos + 1] === '*') { const end = source.indexOf('*/', pos); if (end === -1) { throw new SyntaxError(); } pos = end + '*/'.length; continue; } } break; } }; const getIdentifier = () => { eatWhitespace(); const start = pos; let end = pos; switch (source[end]) { case '_': case '$': end += 1; break; default: if (UnicodeIDStart.test(source[end])) { end += 1; break; } return null; } while (end < source.length) { const c = source[end]; switch (c) { case '_': case '$': end += 1; break; default: if (UnicodeIDContinue.test(c)) { end += 1; break; } return source.slice(start, end); } } return source.slice(start, end); }; const test = (s) => { eatWhitespace(); if (/\w/.test(s)) { return getIdentifier() === s; } return source.slice(pos, pos + s.length) === s; }; const eat = (s) => { if (test(s)) { pos += s.length; return true; } return false; }; const eatIdentifier = () => { const n = getIdentifier(); if (n !== null) { pos += n.length; return true; } return false; }; const expect = (s) => { if (!eat(s)) { throw new SyntaxError(); } }; const eatString = () => { if (source[pos] === '\'' || source[pos] === '"') { const match = source[pos]; pos += 1; while (pos < source.length) { if (source[pos] === match && source[pos - 1] !== '\\') { return; } if (isNewline(source[pos])) { throw new SyntaxError(); } pos += 1; } throw new SyntaxError(); } }; // "Stumble" through source text until matching character is found. // Assumes ECMAScript syntax keeps `[]` and `()` balanced. const stumbleUntil = (c) => { const match = { ']': '[', ')': '(', }[c]; let nesting = 1; while (pos < source.length) { eatWhitespace(); eatString(); // Strings may contain unbalanced characters. if (source[pos] === match) { nesting += 1; } else if (source[pos] === c) { nesting -= 1; } pos += 1; if (nesting === 0) { return; } } throw new SyntaxError(); }; // function expect('function'); // NativeFunctionAccessor eat('get') || eat('set'); // PropertyName if (!eatIdentifier() && eat('[')) { stumbleUntil(']'); } // ( FormalParameters ) expect('('); stumbleUntil(')'); // { expect('{'); // [native code] expect('['); expect('native'); expect('code'); expect(']'); // } expect('}'); eatWhitespace(); if (pos !== source.length) { throw new SyntaxError(); } }; const assertToStringOrNativeFunction = function(fn, expected) { const actual = "" + fn; try { assert.sameValue(actual, expected); } catch (unused) { assertNativeFunction(fn, expected); } }; const assertNativeFunction = function(fn, special) { const actual = "" + fn; try { validateNativeFunctionSource(actual); } catch (unused) { throw new Test262Error('Conforms to NativeFunction Syntax: ' + JSON.stringify(actual) + (special ? ' (' + special + ')' : '')); } }; // file: promiseHelper.js // Copyright (C) 2017 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Check that an array contains a numeric sequence starting at 1 and incrementing by 1 for each entry in the array. Used by Promise tests to assert the order of execution in deep Promise resolution pipelines. defines: [checkSequence, checkSettledPromises] ---*/ function checkSequence(arr, message) { arr.forEach(function(e, i) { if (e !== (i+1)) { throw new Test262Error((message ? message : "Steps in unexpected sequence:") + " '" + arr.join(',') + "'"); } }); return true; } function checkSettledPromises(settleds, expected, message) { const prefix = message ? `${message}: ` : ''; assert.sameValue(Array.isArray(settleds), true, `${prefix}Settled values is an array`); assert.sameValue( settleds.length, expected.length, `${prefix}The settled values has a different length than expected` ); settleds.forEach((settled, i) => { assert.sameValue( Object.prototype.hasOwnProperty.call(settled, 'status'), true, `${prefix}The settled value has a property status` ); assert.sameValue(settled.status, expected[i].status, `${prefix}status for item ${i}`); if (settled.status === 'fulfilled') { assert.sameValue( Object.prototype.hasOwnProperty.call(settled, 'value'), true, `${prefix}The fulfilled promise has a property named value` ); assert.sameValue( Object.prototype.hasOwnProperty.call(settled, 'reason'), false, `${prefix}The fulfilled promise has no property named reason` ); assert.sameValue(settled.value, expected[i].value, `${prefix}value for item ${i}`); } else { assert.sameValue(settled.status, 'rejected', `${prefix}Valid statuses are only fulfilled or rejected`); assert.sameValue( Object.prototype.hasOwnProperty.call(settled, 'value'), false, `${prefix}The fulfilled promise has no property named value` ); assert.sameValue( Object.prototype.hasOwnProperty.call(settled, 'reason'), true, `${prefix}The fulfilled promise has a property named reason` ); assert.sameValue(settled.reason, expected[i].reason, `${prefix}Reason value for item ${i}`); } }); } // file: proxyTrapsHelper.js // Copyright (C) 2016 Jordan Harband. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Used to assert the correctness of object behavior in the presence and context of Proxy objects. defines: [allowProxyTraps] ---*/ function allowProxyTraps(overrides) { function throwTest262Error(msg) { return function () { throw new Test262Error(msg); }; } if (!overrides) { overrides = {}; } return { getPrototypeOf: overrides.getPrototypeOf || throwTest262Error('[[GetPrototypeOf]] trap called'), setPrototypeOf: overrides.setPrototypeOf || throwTest262Error('[[SetPrototypeOf]] trap called'), isExtensible: overrides.isExtensible || throwTest262Error('[[IsExtensible]] trap called'), preventExtensions: overrides.preventExtensions || throwTest262Error('[[PreventExtensions]] trap called'), getOwnPropertyDescriptor: overrides.getOwnPropertyDescriptor || throwTest262Error('[[GetOwnProperty]] trap called'), has: overrides.has || throwTest262Error('[[HasProperty]] trap called'), get: overrides.get || throwTest262Error('[[Get]] trap called'), set: overrides.set || throwTest262Error('[[Set]] trap called'), deleteProperty: overrides.deleteProperty || throwTest262Error('[[Delete]] trap called'), defineProperty: overrides.defineProperty || throwTest262Error('[[DefineOwnProperty]] trap called'), enumerate: throwTest262Error('[[Enumerate]] trap called: this trap has been removed'), ownKeys: overrides.ownKeys || throwTest262Error('[[OwnPropertyKeys]] trap called'), apply: overrides.apply || throwTest262Error('[[Call]] trap called'), construct: overrides.construct || throwTest262Error('[[Construct]] trap called') }; } // file: tcoHelper.js // Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | This defines the number of consecutive recursive function calls that must be made in order to prove that stack frames are properly destroyed according to ES2015 tail call optimization semantics. defines: [$MAX_ITERATIONS] ---*/ var $MAX_ITERATIONS = 100000; // file: temporalHelpers.js // Copyright (C) 2021 Igalia, S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | This defines helper objects and functions for testing Temporal. defines: [TemporalHelpers] features: [Symbol.species, Symbol.iterator, Temporal] ---*/ const ASCII_IDENTIFIER = /^[$_a-zA-Z][$_a-zA-Z0-9]*$/u; function formatPropertyName(propertyKey, objectName = "") { switch (typeof propertyKey) { case "symbol": if (Symbol.keyFor(propertyKey) !== undefined) { return `${objectName}[Symbol.for('${Symbol.keyFor(propertyKey)}')]`; } else if (propertyKey.description.startsWith('Symbol.')) { return `${objectName}[${propertyKey.description}]`; } else { return `${objectName}[Symbol('${propertyKey.description}')]` } case "string": if (propertyKey !== String(Number(propertyKey))) { if (ASCII_IDENTIFIER.test(propertyKey)) { return objectName ? `${objectName}.${propertyKey}` : propertyKey; } return `${objectName}['${propertyKey.replace(/'/g, "\\'")}']` } // fall through default: // integer or string integer-index return `${objectName}[${propertyKey}]`; } } const SKIP_SYMBOL = Symbol("Skip"); var TemporalHelpers = { /* * Codes and maximum lengths of months in the ISO 8601 calendar. */ ISOMonths: [ { month: 1, monthCode: "M01", daysInMonth: 31 }, { month: 2, monthCode: "M02", daysInMonth: 29 }, { month: 3, monthCode: "M03", daysInMonth: 31 }, { month: 4, monthCode: "M04", daysInMonth: 30 }, { month: 5, monthCode: "M05", daysInMonth: 31 }, { month: 6, monthCode: "M06", daysInMonth: 30 }, { month: 7, monthCode: "M07", daysInMonth: 31 }, { month: 8, monthCode: "M08", daysInMonth: 31 }, { month: 9, monthCode: "M09", daysInMonth: 30 }, { month: 10, monthCode: "M10", daysInMonth: 31 }, { month: 11, monthCode: "M11", daysInMonth: 30 }, { month: 12, monthCode: "M12", daysInMonth: 31 } ], /* * assertDuration(duration, years, ..., nanoseconds[, description]): * * Shorthand for asserting that each field of a Temporal.Duration is equal to * an expected value. */ assertDuration(duration, years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, description = "") { const prefix = description ? `${description}: ` : ""; assert(duration instanceof Temporal.Duration, `${prefix}instanceof`); assert.sameValue(duration.years, years, `${prefix}years result:`); assert.sameValue(duration.months, months, `${prefix}months result:`); assert.sameValue(duration.weeks, weeks, `${prefix}weeks result:`); assert.sameValue(duration.days, days, `${prefix}days result:`); assert.sameValue(duration.hours, hours, `${prefix}hours result:`); assert.sameValue(duration.minutes, minutes, `${prefix}minutes result:`); assert.sameValue(duration.seconds, seconds, `${prefix}seconds result:`); assert.sameValue(duration.milliseconds, milliseconds, `${prefix}milliseconds result:`); assert.sameValue(duration.microseconds, microseconds, `${prefix}microseconds result:`); assert.sameValue(duration.nanoseconds, nanoseconds, `${prefix}nanoseconds result`); }, /* * assertDateDuration(duration, years, months, weeks, days, [, description]): * * Shorthand for asserting that each date field of a Temporal.Duration is * equal to an expected value. */ assertDateDuration(duration, years, months, weeks, days, description = "") { const prefix = description ? `${description}: ` : ""; assert(duration instanceof Temporal.Duration, `${prefix}instanceof`); assert.sameValue(duration.years, years, `${prefix}years result:`); assert.sameValue(duration.months, months, `${prefix}months result:`); assert.sameValue(duration.weeks, weeks, `${prefix}weeks result:`); assert.sameValue(duration.days, days, `${prefix}days result:`); assert.sameValue(duration.hours, 0, `${prefix}hours result should be zero:`); assert.sameValue(duration.minutes, 0, `${prefix}minutes result should be zero:`); assert.sameValue(duration.seconds, 0, `${prefix}seconds result should be zero:`); assert.sameValue(duration.milliseconds, 0, `${prefix}milliseconds result should be zero:`); assert.sameValue(duration.microseconds, 0, `${prefix}microseconds result should be zero:`); assert.sameValue(duration.nanoseconds, 0, `${prefix}nanoseconds result should be zero:`); }, /* * assertDurationsEqual(actual, expected[, description]): * * Shorthand for asserting that each field of a Temporal.Duration is equal to * the corresponding field in another Temporal.Duration. */ assertDurationsEqual(actual, expected, description = "") { const prefix = description ? `${description}: ` : ""; assert(expected instanceof Temporal.Duration, `${prefix}expected value should be a Temporal.Duration`); TemporalHelpers.assertDuration(actual, expected.years, expected.months, expected.weeks, expected.days, expected.hours, expected.minutes, expected.seconds, expected.milliseconds, expected.microseconds, expected.nanoseconds, description); }, /* * assertInstantsEqual(actual, expected[, description]): * * Shorthand for asserting that two Temporal.Instants are of the correct type * and equal according to their equals() methods. */ assertInstantsEqual(actual, expected, description = "") { const prefix = description ? `${description}: ` : ""; assert(expected instanceof Temporal.Instant, `${prefix}expected value should be a Temporal.Instant`); assert(actual instanceof Temporal.Instant, `${prefix}instanceof`); assert(actual.equals(expected), `${prefix}equals method`); }, /* * assertPlainDate(date, year, ..., nanosecond[, description[, era, eraYear]]): * * Shorthand for asserting that each field of a Temporal.PlainDate is equal to * an expected value. (Except the `calendar` property, since callers may want * to assert either object equality with an object they put in there, or the * value of date.calendarId.) */ assertPlainDate(date, year, month, monthCode, day, description = "", era = undefined, eraYear = undefined) { const prefix = description ? `${description}: ` : ""; assert(date instanceof Temporal.PlainDate, `${prefix}instanceof`); assert.sameValue(date.era, era, `${prefix}era result:`); assert.sameValue(date.eraYear, eraYear, `${prefix}eraYear result:`); assert.sameValue(date.year, year, `${prefix}year result:`); assert.sameValue(date.month, month, `${prefix}month result:`); assert.sameValue(date.monthCode, monthCode, `${prefix}monthCode result:`); assert.sameValue(date.day, day, `${prefix}day result:`); }, /* * assertPlainDateTime(datetime, year, ..., nanosecond[, description[, era, eraYear]]): * * Shorthand for asserting that each field of a Temporal.PlainDateTime is * equal to an expected value. (Except the `calendar` property, since callers * may want to assert either object equality with an object they put in there, * or the value of datetime.calendarId.) */ assertPlainDateTime(datetime, year, month, monthCode, day, hour, minute, second, millisecond, microsecond, nanosecond, description = "", era = undefined, eraYear = undefined) { const prefix = description ? `${description}: ` : ""; assert(datetime instanceof Temporal.PlainDateTime, `${prefix}instanceof`); assert.sameValue(datetime.era, era, `${prefix}era result:`); assert.sameValue(datetime.eraYear, eraYear, `${prefix}eraYear result:`); assert.sameValue(datetime.year, year, `${prefix}year result:`); assert.sameValue(datetime.month, month, `${prefix}month result:`); assert.sameValue(datetime.monthCode, monthCode, `${prefix}monthCode result:`); assert.sameValue(datetime.day, day, `${prefix}day result:`); assert.sameValue(datetime.hour, hour, `${prefix}hour result:`); assert.sameValue(datetime.minute, minute, `${prefix}minute result:`); assert.sameValue(datetime.second, second, `${prefix}second result:`); assert.sameValue(datetime.millisecond, millisecond, `${prefix}millisecond result:`); assert.sameValue(datetime.microsecond, microsecond, `${prefix}microsecond result:`); assert.sameValue(datetime.nanosecond, nanosecond, `${prefix}nanosecond result:`); }, /* * assertPlainDateTimesEqual(actual, expected[, description]): * * Shorthand for asserting that two Temporal.PlainDateTimes are of the correct * type, equal according to their equals() methods, and additionally that * their calendar internal slots are the same value. */ assertPlainDateTimesEqual(actual, expected, description = "") { const prefix = description ? `${description}: ` : ""; assert(expected instanceof Temporal.PlainDateTime, `${prefix}expected value should be a Temporal.PlainDateTime`); assert(actual instanceof Temporal.PlainDateTime, `${prefix}instanceof`); assert(actual.equals(expected), `${prefix}equals method`); assert.sameValue( actual.getISOFields().calendar, expected.getISOFields().calendar, `${prefix}calendar same value:` ); }, /* * assertPlainMonthDay(monthDay, monthCode, day[, description [, referenceISOYear]]): * * Shorthand for asserting that each field of a Temporal.PlainMonthDay is * equal to an expected value. (Except the `calendar` property, since callers * may want to assert either object equality with an object they put in there, * or the value of monthDay.calendarId().) */ assertPlainMonthDay(monthDay, monthCode, day, description = "", referenceISOYear = 1972) { const prefix = description ? `${description}: ` : ""; assert(monthDay instanceof Temporal.PlainMonthDay, `${prefix}instanceof`); assert.sameValue(monthDay.monthCode, monthCode, `${prefix}monthCode result:`); assert.sameValue(monthDay.day, day, `${prefix}day result:`); assert.sameValue(monthDay.getISOFields().isoYear, referenceISOYear, `${prefix}referenceISOYear result:`); }, /* * assertPlainTime(time, hour, ..., nanosecond[, description]): * * Shorthand for asserting that each field of a Temporal.PlainTime is equal to * an expected value. */ assertPlainTime(time, hour, minute, second, millisecond, microsecond, nanosecond, description = "") { const prefix = description ? `${description}: ` : ""; assert(time instanceof Temporal.PlainTime, `${prefix}instanceof`); assert.sameValue(time.hour, hour, `${prefix}hour result:`); assert.sameValue(time.minute, minute, `${prefix}minute result:`); assert.sameValue(time.second, second, `${prefix}second result:`); assert.sameValue(time.millisecond, millisecond, `${prefix}millisecond result:`); assert.sameValue(time.microsecond, microsecond, `${prefix}microsecond result:`); assert.sameValue(time.nanosecond, nanosecond, `${prefix}nanosecond result:`); }, /* * assertPlainTimesEqual(actual, expected[, description]): * * Shorthand for asserting that two Temporal.PlainTimes are of the correct * type and equal according to their equals() methods. */ assertPlainTimesEqual(actual, expected, description = "") { const prefix = description ? `${description}: ` : ""; assert(expected instanceof Temporal.PlainTime, `${prefix}expected value should be a Temporal.PlainTime`); assert(actual instanceof Temporal.PlainTime, `${prefix}instanceof`); assert(actual.equals(expected), `${prefix}equals method`); }, /* * assertPlainYearMonth(yearMonth, year, month, monthCode[, description[, era, eraYear, referenceISODay]]): * * Shorthand for asserting that each field of a Temporal.PlainYearMonth is * equal to an expected value. (Except the `calendar` property, since callers * may want to assert either object equality with an object they put in there, * or the value of yearMonth.calendarId.) */ assertPlainYearMonth(yearMonth, year, month, monthCode, description = "", era = undefined, eraYear = undefined, referenceISODay = 1) { const prefix = description ? `${description}: ` : ""; assert(yearMonth instanceof Temporal.PlainYearMonth, `${prefix}instanceof`); assert.sameValue(yearMonth.era, era, `${prefix}era result:`); assert.sameValue(yearMonth.eraYear, eraYear, `${prefix}eraYear result:`); assert.sameValue(yearMonth.year, year, `${prefix}year result:`); assert.sameValue(yearMonth.month, month, `${prefix}month result:`); assert.sameValue(yearMonth.monthCode, monthCode, `${prefix}monthCode result:`); assert.sameValue(yearMonth.getISOFields().isoDay, referenceISODay, `${prefix}referenceISODay result:`); }, /* * assertZonedDateTimesEqual(actual, expected[, description]): * * Shorthand for asserting that two Temporal.ZonedDateTimes are of the correct * type, equal according to their equals() methods, and additionally that * their time zones and calendar internal slots are the same value. */ assertZonedDateTimesEqual(actual, expected, description = "") { const prefix = description ? `${description}: ` : ""; assert(expected instanceof Temporal.ZonedDateTime, `${prefix}expected value should be a Temporal.ZonedDateTime`); assert(actual instanceof Temporal.ZonedDateTime, `${prefix}instanceof`); assert(actual.equals(expected), `${prefix}equals method`); assert.sameValue(actual.timeZone, expected.timeZone, `${prefix}time zone same value:`); assert.sameValue( actual.getISOFields().calendar, expected.getISOFields().calendar, `${prefix}calendar same value:` ); }, /* * assertUnreachable(description): * * Helper for asserting that code is not executed. This is useful for * assertions that methods of user calendars and time zones are not called. */ assertUnreachable(description) { let message = "This code should not be executed"; if (description) { message = `${message}: ${description}`; } throw new Test262Error(message); }, /* * checkCalendarDateUntilLargestUnitSingular(func, expectedLargestUnitCalls): * * When an options object with a largestUnit property is synthesized inside * Temporal and passed to user code such as calendar.dateUntil(), the value of * the largestUnit property should be in the singular form, even if the input * was given in the plural form. * (This doesn't apply when the options object is passed through verbatim.) * * func(calendar, largestUnit, index) is the operation under test. It's called * with an instance of a calendar that keeps track of which largestUnit is * passed to dateUntil(), each key of expectedLargestUnitCalls in turn, and * the key's numerical index in case the function needs to generate test data * based on the index. At the end, the actual values passed to dateUntil() are * compared with the array values of expectedLargestUnitCalls. */ checkCalendarDateUntilLargestUnitSingular(func, expectedLargestUnitCalls) { const actual = []; class DateUntilOptionsCalendar extends Temporal.Calendar { constructor() { super("iso8601"); } dateUntil(earlier, later, options) { actual.push(options.largestUnit); return super.dateUntil(earlier, later, options); } toString() { return "date-until-options"; } } const calendar = new DateUntilOptionsCalendar(); Object.entries(expectedLargestUnitCalls).forEach(([largestUnit, expected], index) => { func(calendar, largestUnit, index); assert.compareArray(actual, expected, `largestUnit passed to calendar.dateUntil() for largestUnit ${largestUnit}`); actual.splice(0); // empty it for the next check }); }, /* * checkPlainDateTimeConversionFastPath(func): * * ToTemporalDate and ToTemporalTime should both, if given a * Temporal.PlainDateTime instance, convert to the desired type by reading the * PlainDateTime's internal slots, rather than calling any getters. * * func(datetime, calendar) is the actual operation to test, that must * internally call the abstract operation ToTemporalDate or ToTemporalTime. * It is passed a Temporal.PlainDateTime instance, as well as the instance's * calendar object (so that it doesn't have to call the calendar getter itself * if it wants to make any assertions about the calendar.) */ checkPlainDateTimeConversionFastPath(func, message = "checkPlainDateTimeConversionFastPath") { const actual = []; const expected = []; const calendar = new Temporal.Calendar("iso8601"); const datetime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar); const prototypeDescrs = Object.getOwnPropertyDescriptors(Temporal.PlainDateTime.prototype); ["year", "month", "monthCode", "day", "hour", "minute", "second", "millisecond", "microsecond", "nanosecond"].forEach((property) => { Object.defineProperty(datetime, property, { get() { actual.push(`get ${formatPropertyName(property)}`); const value = prototypeDescrs[property].get.call(this); return { toString() { actual.push(`toString ${formatPropertyName(property)}`); return value.toString(); }, valueOf() { actual.push(`valueOf ${formatPropertyName(property)}`); return value; }, }; }, }); }); Object.defineProperty(datetime, "calendar", { get() { actual.push("get calendar"); return calendar; }, }); func(datetime, calendar); assert.compareArray(actual, expected, `${message}: property getters not called`); }, /* * Check that an options bag that accepts units written in the singular form, * also accepts the same units written in the plural form. * func(unit) should call the method with the appropriate options bag * containing unit as a value. This will be called twice for each element of * validSingularUnits, once with singular and once with plural, and the * results of each pair should be the same (whether a Temporal object or a * primitive value.) */ checkPluralUnitsAccepted(func, validSingularUnits) { const plurals = { year: 'years', month: 'months', week: 'weeks', day: 'days', hour: 'hours', minute: 'minutes', second: 'seconds', millisecond: 'milliseconds', microsecond: 'microseconds', nanosecond: 'nanoseconds', }; validSingularUnits.forEach((unit) => { const singularValue = func(unit); const pluralValue = func(plurals[unit]); const desc = `Plural ${plurals[unit]} produces the same result as singular ${unit}`; if (singularValue instanceof Temporal.Duration) { TemporalHelpers.assertDurationsEqual(pluralValue, singularValue, desc); } else if (singularValue instanceof Temporal.Instant) { TemporalHelpers.assertInstantsEqual(pluralValue, singularValue, desc); } else if (singularValue instanceof Temporal.PlainDateTime) { TemporalHelpers.assertPlainDateTimesEqual(pluralValue, singularValue, desc); } else if (singularValue instanceof Temporal.PlainTime) { TemporalHelpers.assertPlainTimesEqual(pluralValue, singularValue, desc); } else if (singularValue instanceof Temporal.ZonedDateTime) { TemporalHelpers.assertZonedDateTimesEqual(pluralValue, singularValue, desc); } else { assert.sameValue(pluralValue, singularValue); } }); }, /* * checkRoundingIncrementOptionWrongType(checkFunc, assertTrueResultFunc, assertObjectResultFunc): * * Checks the type handling of the roundingIncrement option. * checkFunc(roundingIncrement) is a function which takes the value of * roundingIncrement to test, and calls the method under test with it, * returning the result. assertTrueResultFunc(result, description) should * assert that result is the expected result with roundingIncrement: true, and * assertObjectResultFunc(result, description) should assert that result is * the expected result with roundingIncrement being an object with a valueOf() * method. */ checkRoundingIncrementOptionWrongType(checkFunc, assertTrueResultFunc, assertObjectResultFunc) { // null converts to 0, which is out of range assert.throws(RangeError, () => checkFunc(null), "null"); // Booleans convert to either 0 or 1, and 1 is allowed const trueResult = checkFunc(true); assertTrueResultFunc(trueResult, "true"); assert.throws(RangeError, () => checkFunc(false), "false"); // Symbols and BigInts cannot convert to numbers assert.throws(TypeError, () => checkFunc(Symbol()), "symbol"); assert.throws(TypeError, () => checkFunc(2n), "bigint"); // Objects prefer their valueOf() methods when converting to a number assert.throws(RangeError, () => checkFunc({}), "plain object"); const expected = [ "get roundingIncrement.valueOf", "call roundingIncrement.valueOf", ]; const actual = []; const observer = TemporalHelpers.toPrimitiveObserver(actual, 2, "roundingIncrement"); const objectResult = checkFunc(observer); assertObjectResultFunc(objectResult, "object with valueOf"); assert.compareArray(actual, expected, "order of operations"); }, /* * checkStringOptionWrongType(propertyName, value, checkFunc, assertFunc): * * Checks the type handling of a string option, of which there are several in * Temporal. * propertyName is the name of the option, and value is the value that * assertFunc should expect it to have. * checkFunc(value) is a function which takes the value of the option to test, * and calls the method under test with it, returning the result. * assertFunc(result, description) should assert that result is the expected * result with the option value being an object with a toString() method * which returns the given value. */ checkStringOptionWrongType(propertyName, value, checkFunc, assertFunc) { // null converts to the string "null", which is an invalid string value assert.throws(RangeError, () => checkFunc(null), "null"); // Booleans convert to the strings "true" or "false", which are invalid assert.throws(RangeError, () => checkFunc(true), "true"); assert.throws(RangeError, () => checkFunc(false), "false"); // Symbols cannot convert to strings assert.throws(TypeError, () => checkFunc(Symbol()), "symbol"); // Numbers convert to strings which are invalid assert.throws(RangeError, () => checkFunc(2), "number"); // BigInts convert to strings which are invalid assert.throws(RangeError, () => checkFunc(2n), "bigint"); // Objects prefer their toString() methods when converting to a string assert.throws(RangeError, () => checkFunc({}), "plain object"); const expected = [ `get ${propertyName}.toString`, `call ${propertyName}.toString`, ]; const actual = []; const observer = TemporalHelpers.toPrimitiveObserver(actual, value, propertyName); const result = checkFunc(observer); assertFunc(result, "object with toString"); assert.compareArray(actual, expected, "order of operations"); }, /* * checkSubclassingIgnored(construct, constructArgs, method, methodArgs, * resultAssertions): * * Methods of Temporal classes that return a new instance of the same class, * must not take the constructor of a subclass into account, nor the @@species * property. This helper runs tests to ensure this. * * construct(...constructArgs) must yield a valid instance of the Temporal * class. instance[method](...methodArgs) is the method call under test, which * must also yield a valid instance of the same Temporal class, not a * subclass. See below for the individual tests that this runs. * resultAssertions() is a function that performs additional assertions on the * instance returned by the method under test. */ checkSubclassingIgnored(...args) { this.checkSubclassConstructorNotObject(...args); this.checkSubclassConstructorUndefined(...args); this.checkSubclassConstructorThrows(...args); this.checkSubclassConstructorNotCalled(...args); this.checkSubclassSpeciesInvalidResult(...args); this.checkSubclassSpeciesNotAConstructor(...args); this.checkSubclassSpeciesNull(...args); this.checkSubclassSpeciesUndefined(...args); this.checkSubclassSpeciesThrows(...args); }, /* * Checks that replacing the 'constructor' property of the instance with * various primitive values does not affect the returned new instance. */ checkSubclassConstructorNotObject(construct, constructArgs, method, methodArgs, resultAssertions) { function check(value, description) { const instance = new construct(...constructArgs); instance.constructor = value; const result = instance[method](...methodArgs); assert.sameValue(Object.getPrototypeOf(result), construct.prototype, description); resultAssertions(result); } check(null, "null"); check(true, "true"); check("test", "string"); check(Symbol(), "Symbol"); check(7, "number"); check(7n, "bigint"); }, /* * Checks that replacing the 'constructor' property of the subclass with * undefined does not affect the returned new instance. */ checkSubclassConstructorUndefined(construct, constructArgs, method, methodArgs, resultAssertions) { let called = 0; class MySubclass extends construct { constructor() { ++called; super(...constructArgs); } } const instance = new MySubclass(); assert.sameValue(called, 1); MySubclass.prototype.constructor = undefined; const result = instance[method](...methodArgs); assert.sameValue(called, 1); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); }, /* * Checks that making the 'constructor' property of the instance throw when * called does not affect the returned new instance. */ checkSubclassConstructorThrows(construct, constructArgs, method, methodArgs, resultAssertions) { function CustomError() {} const instance = new construct(...constructArgs); Object.defineProperty(instance, "constructor", { get() { throw new CustomError(); } }); const result = instance[method](...methodArgs); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); }, /* * Checks that when subclassing, the subclass constructor is not called by * the method under test. */ checkSubclassConstructorNotCalled(construct, constructArgs, method, methodArgs, resultAssertions) { let called = 0; class MySubclass extends construct { constructor() { ++called; super(...constructArgs); } } const instance = new MySubclass(); assert.sameValue(called, 1); const result = instance[method](...methodArgs); assert.sameValue(called, 1); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); }, /* * Check that the constructor's @@species property is ignored when it's a * constructor that returns a non-object value. */ checkSubclassSpeciesInvalidResult(construct, constructArgs, method, methodArgs, resultAssertions) { function check(value, description) { const instance = new construct(...constructArgs); instance.constructor = { [Symbol.species]: function() { return value; }, }; const result = instance[method](...methodArgs); assert.sameValue(Object.getPrototypeOf(result), construct.prototype, description); resultAssertions(result); } check(undefined, "undefined"); check(null, "null"); check(true, "true"); check("test", "string"); check(Symbol(), "Symbol"); check(7, "number"); check(7n, "bigint"); check({}, "plain object"); }, /* * Check that the constructor's @@species property is ignored when it's not a * constructor. */ checkSubclassSpeciesNotAConstructor(construct, constructArgs, method, methodArgs, resultAssertions) { function check(value, description) { const instance = new construct(...constructArgs); instance.constructor = { [Symbol.species]: value, }; const result = instance[method](...methodArgs); assert.sameValue(Object.getPrototypeOf(result), construct.prototype, description); resultAssertions(result); } check(true, "true"); check("test", "string"); check(Symbol(), "Symbol"); check(7, "number"); check(7n, "bigint"); check({}, "plain object"); }, /* * Check that the constructor's @@species property is ignored when it's null. */ checkSubclassSpeciesNull(construct, constructArgs, method, methodArgs, resultAssertions) { let called = 0; class MySubclass extends construct { constructor() { ++called; super(...constructArgs); } } const instance = new MySubclass(); assert.sameValue(called, 1); MySubclass.prototype.constructor = { [Symbol.species]: null, }; const result = instance[method](...methodArgs); assert.sameValue(called, 1); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); }, /* * Check that the constructor's @@species property is ignored when it's * undefined. */ checkSubclassSpeciesUndefined(construct, constructArgs, method, methodArgs, resultAssertions) { let called = 0; class MySubclass extends construct { constructor() { ++called; super(...constructArgs); } } const instance = new MySubclass(); assert.sameValue(called, 1); MySubclass.prototype.constructor = { [Symbol.species]: undefined, }; const result = instance[method](...methodArgs); assert.sameValue(called, 1); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); }, /* * Check that the constructor's @@species property is ignored when it throws, * i.e. it is not called at all. */ checkSubclassSpeciesThrows(construct, constructArgs, method, methodArgs, resultAssertions) { function CustomError() {} const instance = new construct(...constructArgs); instance.constructor = { get [Symbol.species]() { throw new CustomError(); }, }; const result = instance[method](...methodArgs); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); }, /* * checkSubclassingIgnoredStatic(construct, method, methodArgs, resultAssertions): * * Static methods of Temporal classes that return a new instance of the class, * must not use the this-value as a constructor. This helper runs tests to * ensure this. * * construct[method](...methodArgs) is the static method call under test, and * must yield a valid instance of the Temporal class, not a subclass. See * below for the individual tests that this runs. * resultAssertions() is a function that performs additional assertions on the * instance returned by the method under test. */ checkSubclassingIgnoredStatic(...args) { this.checkStaticInvalidReceiver(...args); this.checkStaticReceiverNotCalled(...args); this.checkThisValueNotCalled(...args); }, /* * Check that calling the static method with a receiver that's not callable, * still calls the intrinsic constructor. */ checkStaticInvalidReceiver(construct, method, methodArgs, resultAssertions) { function check(value, description) { const result = construct[method].apply(value, methodArgs); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); } check(undefined, "undefined"); check(null, "null"); check(true, "true"); check("test", "string"); check(Symbol(), "symbol"); check(7, "number"); check(7n, "bigint"); check({}, "Non-callable object"); }, /* * Check that calling the static method with a receiver that returns a value * that's not callable, still calls the intrinsic constructor. */ checkStaticReceiverNotCalled(construct, method, methodArgs, resultAssertions) { function check(value, description) { const receiver = function () { return value; }; const result = construct[method].apply(receiver, methodArgs); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); } check(undefined, "undefined"); check(null, "null"); check(true, "true"); check("test", "string"); check(Symbol(), "symbol"); check(7, "number"); check(7n, "bigint"); check({}, "Non-callable object"); }, /* * Check that the receiver isn't called. */ checkThisValueNotCalled(construct, method, methodArgs, resultAssertions) { let called = false; class MySubclass extends construct { constructor(...args) { called = true; super(...args); } } const result = MySubclass[method](...methodArgs); assert.sameValue(called, false); assert.sameValue(Object.getPrototypeOf(result), construct.prototype); resultAssertions(result); }, /* * Check that any iterable returned from a custom time zone's * getPossibleInstantsFor() method is exhausted. * The custom time zone object is passed in to func(). * expected is an array of strings representing the expected calls to the * getPossibleInstantsFor() method. The PlainDateTimes that it is called with, * are compared (using their toString() results) with the array. */ checkTimeZonePossibleInstantsIterable(func, expected) { // A custom time zone that returns an iterable instead of an array from its // getPossibleInstantsFor() method, and for testing purposes skips // 00:00-01:00 UTC on January 1, 2030, and repeats 00:00-01:00 UTC+1 on // January 3, 2030. Otherwise identical to the UTC time zone. class TimeZonePossibleInstantsIterable extends Temporal.TimeZone { constructor() { super("UTC"); this.getPossibleInstantsForCallCount = 0; this.getPossibleInstantsForCalledWith = []; this.getPossibleInstantsForReturns = []; this.iteratorExhausted = []; } toString() { return "Custom/Iterable"; } getOffsetNanosecondsFor(instant) { if (Temporal.Instant.compare(instant, "2030-01-01T00:00Z") >= 0 && Temporal.Instant.compare(instant, "2030-01-03T01:00Z") < 0) { return 3600_000_000_000; } else { return 0; } } getPossibleInstantsFor(dateTime) { this.getPossibleInstantsForCallCount++; this.getPossibleInstantsForCalledWith.push(dateTime); // Fake DST transition let retval = super.getPossibleInstantsFor(dateTime); if (dateTime.toPlainDate().equals("2030-01-01") && dateTime.hour === 0) { retval = []; } else if (dateTime.toPlainDate().equals("2030-01-03") && dateTime.hour === 0) { retval.push(retval[0].subtract({ hours: 1 })); } else if (dateTime.year === 2030 && dateTime.month === 1 && dateTime.day >= 1 && dateTime.day <= 2) { retval[0] = retval[0].subtract({ hours: 1 }); } this.getPossibleInstantsForReturns.push(retval); this.iteratorExhausted.push(false); return { callIndex: this.getPossibleInstantsForCallCount - 1, timeZone: this, *[Symbol.iterator]() { yield* this.timeZone.getPossibleInstantsForReturns[this.callIndex]; this.timeZone.iteratorExhausted[this.callIndex] = true; }, }; } } const timeZone = new TimeZonePossibleInstantsIterable(); func(timeZone); assert.sameValue(timeZone.getPossibleInstantsForCallCount, expected.length, "getPossibleInstantsFor() method called correct number of times"); for (let index = 0; index < expected.length; index++) { assert.sameValue(timeZone.getPossibleInstantsForCalledWith[index].toString(), expected[index], "getPossibleInstantsFor() called with expected PlainDateTime"); assert(timeZone.iteratorExhausted[index], "iterated through the whole iterable"); } }, /* * Check that any calendar-carrying Temporal object has its [[Calendar]] * internal slot read by ToTemporalCalendar, and does not fetch the calendar * by calling getters. * The custom calendar object is passed in to func() so that it can do its * own additional assertions involving the calendar if necessary. (Sometimes * there is nothing to assert as the calendar isn't stored anywhere that can * be asserted about.) */ checkToTemporalCalendarFastPath(func) { class CalendarFastPathCheck extends Temporal.Calendar { constructor() { super("iso8601"); } dateFromFields(...args) { return super.dateFromFields(...args).withCalendar(this); } monthDayFromFields(...args) { const { isoYear, isoMonth, isoDay } = super.monthDayFromFields(...args).getISOFields(); return new Temporal.PlainMonthDay(isoMonth, isoDay, this, isoYear); } yearMonthFromFields(...args) { const { isoYear, isoMonth, isoDay } = super.yearMonthFromFields(...args).getISOFields(); return new Temporal.PlainYearMonth(isoYear, isoMonth, this, isoDay); } toString() { return "fast-path-check"; } } const calendar = new CalendarFastPathCheck(); const plainDate = new Temporal.PlainDate(2000, 5, 2, calendar); const plainDateTime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar); const plainMonthDay = new Temporal.PlainMonthDay(5, 2, calendar); const plainYearMonth = new Temporal.PlainYearMonth(2000, 5, calendar); const zonedDateTime = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", calendar); [plainDate, plainDateTime, plainMonthDay, plainYearMonth, zonedDateTime].forEach((temporalObject) => { const actual = []; const expected = []; Object.defineProperty(temporalObject, "calendar", { get() { actual.push("get calendar"); return calendar; }, }); func(temporalObject, calendar); assert.compareArray(actual, expected, "calendar getter not called"); }); }, checkToTemporalInstantFastPath(func) { const actual = []; const expected = []; const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, "UTC"); Object.defineProperty(datetime, 'toString', { get() { actual.push("get toString"); return function (options) { actual.push("call toString"); return Temporal.ZonedDateTime.prototype.toString.call(this, options); }; }, }); func(datetime); assert.compareArray(actual, expected, "toString not called"); }, checkToTemporalPlainDateTimeFastPath(func) { const actual = []; const expected = []; const calendar = new Temporal.Calendar("iso8601"); const date = new Temporal.PlainDate(2000, 5, 2, calendar); const prototypeDescrs = Object.getOwnPropertyDescriptors(Temporal.PlainDate.prototype); ["year", "month", "monthCode", "day"].forEach((property) => { Object.defineProperty(date, property, { get() { actual.push(`get ${formatPropertyName(property)}`); const value = prototypeDescrs[property].get.call(this); return TemporalHelpers.toPrimitiveObserver(actual, value, property); }, }); }); ["hour", "minute", "second", "millisecond", "microsecond", "nanosecond"].forEach((property) => { Object.defineProperty(date, property, { get() { actual.push(`get ${formatPropertyName(property)}`); return undefined; }, }); }); Object.defineProperty(date, "calendar", { get() { actual.push("get calendar"); return calendar; }, }); func(date, calendar); assert.compareArray(actual, expected, "property getters not called"); }, /* * A custom calendar used in prototype pollution checks. Verifies that the * fromFields methods are always called with a null-prototype fields object. */ calendarCheckFieldsPrototypePollution() { class CalendarCheckFieldsPrototypePollution extends Temporal.Calendar { constructor() { super("iso8601"); this.dateFromFieldsCallCount = 0; this.yearMonthFromFieldsCallCount = 0; this.monthDayFromFieldsCallCount = 0; } // toString must remain "iso8601", so that some methods don't throw due to // incompatible calendars dateFromFields(fields, options = {}) { this.dateFromFieldsCallCount++; assert.sameValue(Object.getPrototypeOf(fields), null, "dateFromFields should be called with null-prototype fields object"); return super.dateFromFields(fields, options); } yearMonthFromFields(fields, options = {}) { this.yearMonthFromFieldsCallCount++; assert.sameValue(Object.getPrototypeOf(fields), null, "yearMonthFromFields should be called with null-prototype fields object"); return super.yearMonthFromFields(fields, options); } monthDayFromFields(fields, options = {}) { this.monthDayFromFieldsCallCount++; assert.sameValue(Object.getPrototypeOf(fields), null, "monthDayFromFields should be called with null-prototype fields object"); return super.monthDayFromFields(fields, options); } } return new CalendarCheckFieldsPrototypePollution(); }, /* * A custom calendar used in prototype pollution checks. Verifies that the * mergeFields() method is always called with null-prototype fields objects. */ calendarCheckMergeFieldsPrototypePollution() { class CalendarCheckMergeFieldsPrototypePollution extends Temporal.Calendar { constructor() { super("iso8601"); this.mergeFieldsCallCount = 0; } toString() { return "merge-fields-null-proto"; } mergeFields(fields, additionalFields) { this.mergeFieldsCallCount++; assert.sameValue(Object.getPrototypeOf(fields), null, "mergeFields should be called with null-prototype fields object (first argument)"); assert.sameValue(Object.getPrototypeOf(additionalFields), null, "mergeFields should be called with null-prototype fields object (second argument)"); return super.mergeFields(fields, additionalFields); } } return new CalendarCheckMergeFieldsPrototypePollution(); }, /* * A custom calendar used in prototype pollution checks. Verifies that methods * are always called with a null-prototype options object. */ calendarCheckOptionsPrototypePollution() { class CalendarCheckOptionsPrototypePollution extends Temporal.Calendar { constructor() { super("iso8601"); this.yearMonthFromFieldsCallCount = 0; this.dateUntilCallCount = 0; } toString() { return "options-null-proto"; } yearMonthFromFields(fields, options) { this.yearMonthFromFieldsCallCount++; assert.sameValue(Object.getPrototypeOf(options), null, "yearMonthFromFields should be called with null-prototype options"); return super.yearMonthFromFields(fields, options); } dateUntil(one, two, options) { this.dateUntilCallCount++; assert.sameValue(Object.getPrototypeOf(options), null, "dateUntil should be called with null-prototype options"); return super.dateUntil(one, two, options); } } return new CalendarCheckOptionsPrototypePollution(); }, /* * A custom calendar that asserts its dateAdd() method is called with the * options parameter having the value undefined. */ calendarDateAddUndefinedOptions() { class CalendarDateAddUndefinedOptions extends Temporal.Calendar { constructor() { super("iso8601"); this.dateAddCallCount = 0; } toString() { return "dateadd-undef-options"; } dateAdd(date, duration, options) { this.dateAddCallCount++; assert.sameValue(options, undefined, "dateAdd shouldn't be called with options"); return super.dateAdd(date, duration, options); } } return new CalendarDateAddUndefinedOptions(); }, /* * A custom calendar that asserts its dateAdd() method is called with a * PlainDate instance. Optionally, it also asserts that the PlainDate instance * is the specific object `this.specificPlainDate`, if it is set by the * calling code. */ calendarDateAddPlainDateInstance() { class CalendarDateAddPlainDateInstance extends Temporal.Calendar { constructor() { super("iso8601"); this.dateAddCallCount = 0; this.specificPlainDate = undefined; } toString() { return "dateadd-plain-date-instance"; } dateFromFields(...args) { return super.dateFromFields(...args).withCalendar(this); } dateAdd(date, duration, options) { this.dateAddCallCount++; assert(date instanceof Temporal.PlainDate, "dateAdd() should be called with a PlainDate instance"); if (this.dateAddCallCount === 1 && this.specificPlainDate) { assert.sameValue(date, this.specificPlainDate, `dateAdd() should be called first with the specific PlainDate instance ${this.specificPlainDate}`); } return super.dateAdd(date, duration, options).withCalendar(this); } } return new CalendarDateAddPlainDateInstance(); }, /* * A custom calendar that returns an iterable instead of an array from its * fields() method, otherwise identical to the ISO calendar. */ calendarFieldsIterable() { class CalendarFieldsIterable extends Temporal.Calendar { constructor() { super("iso8601"); this.fieldsCallCount = 0; this.fieldsCalledWith = []; this.iteratorExhausted = []; } toString() { return "fields-iterable"; } fields(fieldNames) { this.fieldsCallCount++; this.fieldsCalledWith.push(fieldNames.slice()); this.iteratorExhausted.push(false); return { callIndex: this.fieldsCallCount - 1, calendar: this, *[Symbol.iterator]() { yield* this.calendar.fieldsCalledWith[this.callIndex]; this.calendar.iteratorExhausted[this.callIndex] = true; }, }; } } return new CalendarFieldsIterable(); }, /* * A custom calendar that asserts its ...FromFields() methods are called with * the options parameter having the value undefined. */ calendarFromFieldsUndefinedOptions() { class CalendarFromFieldsUndefinedOptions extends Temporal.Calendar { constructor() { super("iso8601"); this.dateFromFieldsCallCount = 0; this.monthDayFromFieldsCallCount = 0; this.yearMonthFromFieldsCallCount = 0; } toString() { return "from-fields-undef-options"; } dateFromFields(fields, options) { this.dateFromFieldsCallCount++; assert.sameValue(options, undefined, "dateFromFields shouldn't be called with options"); return super.dateFromFields(fields, options); } yearMonthFromFields(fields, options) { this.yearMonthFromFieldsCallCount++; assert.sameValue(options, undefined, "yearMonthFromFields shouldn't be called with options"); return super.yearMonthFromFields(fields, options); } monthDayFromFields(fields, options) { this.monthDayFromFieldsCallCount++; assert.sameValue(options, undefined, "monthDayFromFields shouldn't be called with options"); return super.monthDayFromFields(fields, options); } } return new CalendarFromFieldsUndefinedOptions(); }, /* * A custom calendar that modifies the fields object passed in to * dateFromFields, sabotaging its time properties. */ calendarMakeInfinityTime() { class CalendarMakeInfinityTime extends Temporal.Calendar { constructor() { super("iso8601"); } dateFromFields(fields, options) { const retval = super.dateFromFields(fields, options); fields.hour = Infinity; fields.minute = Infinity; fields.second = Infinity; fields.millisecond = Infinity; fields.microsecond = Infinity; fields.nanosecond = Infinity; return retval; } } return new CalendarMakeInfinityTime(); }, /* * A custom calendar that defines getters on the fields object passed into * dateFromFields that throw, sabotaging its time properties. */ calendarMakeInvalidGettersTime() { class CalendarMakeInvalidGettersTime extends Temporal.Calendar { constructor() { super("iso8601"); } dateFromFields(fields, options) { const retval = super.dateFromFields(fields, options); const throwingDescriptor = { get() { throw new Test262Error("reading a sabotaged time field"); }, }; Object.defineProperties(fields, { hour: throwingDescriptor, minute: throwingDescriptor, second: throwingDescriptor, millisecond: throwingDescriptor, microsecond: throwingDescriptor, nanosecond: throwingDescriptor, }); return retval; } } return new CalendarMakeInvalidGettersTime(); }, /* * A custom calendar whose mergeFields() method returns a proxy object with * all of its Get and HasProperty operations observable, as well as adding a * "shouldNotBeCopied": true property. */ calendarMergeFieldsGetters() { class CalendarMergeFieldsGetters extends Temporal.Calendar { constructor() { super("iso8601"); this.mergeFieldsReturnOperations = []; } toString() { return "merge-fields-getters"; } dateFromFields(fields, options) { assert.sameValue(fields.shouldNotBeCopied, undefined, "extra fields should not be copied"); return super.dateFromFields(fields, options); } yearMonthFromFields(fields, options) { assert.sameValue(fields.shouldNotBeCopied, undefined, "extra fields should not be copied"); return super.yearMonthFromFields(fields, options); } monthDayFromFields(fields, options) { assert.sameValue(fields.shouldNotBeCopied, undefined, "extra fields should not be copied"); return super.monthDayFromFields(fields, options); } mergeFields(fields, additionalFields) { const retval = super.mergeFields(fields, additionalFields); retval._calendar = this; retval.shouldNotBeCopied = true; return new Proxy(retval, { get(target, key) { target._calendar.mergeFieldsReturnOperations.push(`get ${key}`); const result = target[key]; if (result === undefined) { return undefined; } return TemporalHelpers.toPrimitiveObserver(target._calendar.mergeFieldsReturnOperations, result, key); }, has(target, key) { target._calendar.mergeFieldsReturnOperations.push(`has ${key}`); return key in target; }, }); } } return new CalendarMergeFieldsGetters(); }, /* * A custom calendar whose mergeFields() method returns a primitive value, * given by @primitive, and which records the number of calls made to its * dateFromFields(), yearMonthFromFields(), and monthDayFromFields() methods. */ calendarMergeFieldsReturnsPrimitive(primitive) { class CalendarMergeFieldsPrimitive extends Temporal.Calendar { constructor(mergeFieldsReturnValue) { super("iso8601"); this._mergeFieldsReturnValue = mergeFieldsReturnValue; this.dateFromFieldsCallCount = 0; this.monthDayFromFieldsCallCount = 0; this.yearMonthFromFieldsCallCount = 0; } toString() { return "merge-fields-primitive"; } dateFromFields(fields, options) { this.dateFromFieldsCallCount++; return super.dateFromFields(fields, options); } yearMonthFromFields(fields, options) { this.yearMonthFromFieldsCallCount++; return super.yearMonthFromFields(fields, options); } monthDayFromFields(fields, options) { this.monthDayFromFieldsCallCount++; return super.monthDayFromFields(fields, options); } mergeFields() { return this._mergeFieldsReturnValue; } } return new CalendarMergeFieldsPrimitive(primitive); }, /* * A custom calendar whose fields() method returns the same value as the * iso8601 calendar, with the addition of extraFields provided as parameter. */ calendarWithExtraFields(fields) { class CalendarWithExtraFields extends Temporal.Calendar { constructor(extraFields) { super("iso8601"); this._extraFields = extraFields; } fields(fieldNames) { return super.fields(fieldNames).concat(this._extraFields); } } return new CalendarWithExtraFields(fields); }, /* * crossDateLineTimeZone(): * * This returns an instance of a custom time zone class that implements one * single transition where the time zone moves from one side of the * International Date Line to the other, for the purpose of testing time zone * calculations without depending on system time zone data. * * The transition occurs at epoch second 1325239200 and goes from offset * -10:00 to +14:00. In other words, the time zone skips the whole calendar * day of 2011-12-30. This is the same as the real-life transition in the * Pacific/Apia time zone. */ crossDateLineTimeZone() { const { compare } = Temporal.PlainDate; const skippedDay = new Temporal.PlainDate(2011, 12, 30); const transitionEpoch = 1325239200_000_000_000n; const beforeOffset = new Temporal.TimeZone("-10:00"); const afterOffset = new Temporal.TimeZone("+14:00"); class CrossDateLineTimeZone extends Temporal.TimeZone { constructor() { super("+14:00"); } getOffsetNanosecondsFor(instant) { if (instant.epochNanoseconds < transitionEpoch) { return beforeOffset.getOffsetNanosecondsFor(instant); } return afterOffset.getOffsetNanosecondsFor(instant); } getPossibleInstantsFor(datetime) { const comparison = compare(datetime.toPlainDate(), skippedDay); if (comparison === 0) { return []; } if (comparison < 0) { return [beforeOffset.getInstantFor(datetime)]; } return [afterOffset.getInstantFor(datetime)]; } getPreviousTransition(instant) { if (instant.epochNanoseconds > transitionEpoch) return new Temporal.Instant(transitionEpoch); return null; } getNextTransition(instant) { if (instant.epochNanoseconds < transitionEpoch) return new Temporal.Instant(transitionEpoch); return null; } toString() { return "Custom/Date_Line"; } } return new CrossDateLineTimeZone(); }, /* * observeProperty(calls, object, propertyName, value): * * Defines an own property @object.@propertyName with value @value, that * will log any calls to its accessors to the array @calls. */ observeProperty(calls, object, propertyName, value, objectName = "") { Object.defineProperty(object, propertyName, { get() { calls.push(`get ${formatPropertyName(propertyName, objectName)}`); return value; }, set(v) { calls.push(`set ${formatPropertyName(propertyName, objectName)}`); } }); }, /* * observeMethod(calls, object, propertyName, value): * * Defines an own property @object.@propertyName with value @value, that * will log any calls of @value to the array @calls. */ observeMethod(calls, object, propertyName, objectName = "") { const method = object[propertyName]; object[propertyName] = function () { calls.push(`call ${formatPropertyName(propertyName, objectName)}`); return method.apply(object, arguments); }; }, /* * Used for substituteMethod to indicate default behavior instead of a * substituted value */ SUBSTITUTE_SKIP: SKIP_SYMBOL, /* * substituteMethod(object, propertyName, values): * * Defines an own property @object.@propertyName that will, for each * subsequent call to the method previously defined as * @object.@propertyName: * - Call the method, if no more values remain * - Call the method, if the value in @values for the corresponding call * is SUBSTITUTE_SKIP * - Otherwise, return the corresponding value in @value */ substituteMethod(object, propertyName, values) { let calls = 0; const method = object[propertyName]; object[propertyName] = function () { if (calls >= values.length) { return method.apply(object, arguments); } else if (values[calls] === SKIP_SYMBOL) { calls++; return method.apply(object, arguments); } else { return values[calls++]; } }; }, /* * calendarObserver: * A custom calendar that behaves exactly like the ISO 8601 calendar but * tracks calls to any of its methods, and Get/Has operations on its * properties, by appending messages to an array. This is for the purpose of * testing order of operations that are observable from user code. * objectName is used in the log. */ calendarObserver(calls, objectName, methodOverrides = {}) { function removeExtraHasPropertyChecks(objectName, calls) { // Inserting the tracking calendar into the return values of methods // that we chain up into the ISO calendar for, causes extra HasProperty // checks, which we observe. This removes them so that we don't leak // implementation details of the helper into the test code. assert.sameValue(calls.pop(), `has ${objectName}.yearOfWeek`); assert.sameValue(calls.pop(), `has ${objectName}.yearMonthFromFields`); assert.sameValue(calls.pop(), `has ${objectName}.year`); assert.sameValue(calls.pop(), `has ${objectName}.weekOfYear`); assert.sameValue(calls.pop(), `has ${objectName}.monthsInYear`); assert.sameValue(calls.pop(), `has ${objectName}.monthDayFromFields`); assert.sameValue(calls.pop(), `has ${objectName}.monthCode`); assert.sameValue(calls.pop(), `has ${objectName}.month`); assert.sameValue(calls.pop(), `has ${objectName}.mergeFields`); assert.sameValue(calls.pop(), `has ${objectName}.inLeapYear`); assert.sameValue(calls.pop(), `has ${objectName}.id`); assert.sameValue(calls.pop(), `has ${objectName}.fields`); assert.sameValue(calls.pop(), `has ${objectName}.daysInYear`); assert.sameValue(calls.pop(), `has ${objectName}.daysInWeek`); assert.sameValue(calls.pop(), `has ${objectName}.daysInMonth`); assert.sameValue(calls.pop(), `has ${objectName}.dayOfYear`); assert.sameValue(calls.pop(), `has ${objectName}.dayOfWeek`); assert.sameValue(calls.pop(), `has ${objectName}.day`); assert.sameValue(calls.pop(), `has ${objectName}.dateUntil`); assert.sameValue(calls.pop(), `has ${objectName}.dateFromFields`); assert.sameValue(calls.pop(), `has ${objectName}.dateAdd`); } const iso8601 = new Temporal.Calendar("iso8601"); const trackingMethods = { dateFromFields(...args) { calls.push(`call ${objectName}.dateFromFields`); if ('dateFromFields' in methodOverrides) { const value = methodOverrides.dateFromFields; return typeof value === "function" ? value(...args) : value; } const originalResult = iso8601.dateFromFields(...args); // Replace the calendar in the result with the call-tracking calendar const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); const result = new Temporal.PlainDate(isoYear, isoMonth, isoDay, this); removeExtraHasPropertyChecks(objectName, calls); return result; }, yearMonthFromFields(...args) { calls.push(`call ${objectName}.yearMonthFromFields`); if ('yearMonthFromFields' in methodOverrides) { const value = methodOverrides.yearMonthFromFields; return typeof value === "function" ? value(...args) : value; } const originalResult = iso8601.yearMonthFromFields(...args); // Replace the calendar in the result with the call-tracking calendar const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); const result = new Temporal.PlainYearMonth(isoYear, isoMonth, this, isoDay); removeExtraHasPropertyChecks(objectName, calls); return result; }, monthDayFromFields(...args) { calls.push(`call ${objectName}.monthDayFromFields`); if ('monthDayFromFields' in methodOverrides) { const value = methodOverrides.monthDayFromFields; return typeof value === "function" ? value(...args) : value; } const originalResult = iso8601.monthDayFromFields(...args); // Replace the calendar in the result with the call-tracking calendar const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); const result = new Temporal.PlainMonthDay(isoMonth, isoDay, this, isoYear); removeExtraHasPropertyChecks(objectName, calls); return result; }, dateAdd(...args) { calls.push(`call ${objectName}.dateAdd`); if ('dateAdd' in methodOverrides) { const value = methodOverrides.dateAdd; return typeof value === "function" ? value(...args) : value; } const originalResult = iso8601.dateAdd(...args); const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); const result = new Temporal.PlainDate(isoYear, isoMonth, isoDay, this); removeExtraHasPropertyChecks(objectName, calls); return result; }, id: "iso8601", }; // Automatically generate the other methods that don't need any custom code [ "dateUntil", "day", "dayOfWeek", "dayOfYear", "daysInMonth", "daysInWeek", "daysInYear", "era", "eraYear", "fields", "inLeapYear", "mergeFields", "month", "monthCode", "monthsInYear", "toString", "weekOfYear", "year", "yearOfWeek", ].forEach((methodName) => { trackingMethods[methodName] = function (...args) { calls.push(`call ${formatPropertyName(methodName, objectName)}`); if (methodName in methodOverrides) { const value = methodOverrides[methodName]; return typeof value === "function" ? value(...args) : value; } return iso8601[methodName](...args); }; }); return new Proxy(trackingMethods, { get(target, key, receiver) { const result = Reflect.get(target, key, receiver); calls.push(`get ${formatPropertyName(key, objectName)}`); return result; }, has(target, key) { calls.push(`has ${formatPropertyName(key, objectName)}`); return Reflect.has(target, key); }, }); }, /* * A custom calendar that does not allow any of its methods to be called, for * the purpose of asserting that a particular operation does not call into * user code. */ calendarThrowEverything() { class CalendarThrowEverything extends Temporal.Calendar { constructor() { super("iso8601"); } toString() { TemporalHelpers.assertUnreachable("toString should not be called"); } dateFromFields() { TemporalHelpers.assertUnreachable("dateFromFields should not be called"); } yearMonthFromFields() { TemporalHelpers.assertUnreachable("yearMonthFromFields should not be called"); } monthDayFromFields() { TemporalHelpers.assertUnreachable("monthDayFromFields should not be called"); } dateAdd() { TemporalHelpers.assertUnreachable("dateAdd should not be called"); } dateUntil() { TemporalHelpers.assertUnreachable("dateUntil should not be called"); } era() { TemporalHelpers.assertUnreachable("era should not be called"); } eraYear() { TemporalHelpers.assertUnreachable("eraYear should not be called"); } year() { TemporalHelpers.assertUnreachable("year should not be called"); } month() { TemporalHelpers.assertUnreachable("month should not be called"); } monthCode() { TemporalHelpers.assertUnreachable("monthCode should not be called"); } day() { TemporalHelpers.assertUnreachable("day should not be called"); } fields() { TemporalHelpers.assertUnreachable("fields should not be called"); } mergeFields() { TemporalHelpers.assertUnreachable("mergeFields should not be called"); } } return new CalendarThrowEverything(); }, /* * oneShiftTimeZone(shiftInstant, shiftNanoseconds): * * In the case of a spring-forward time zone offset transition (skipped time), * and disambiguation === 'earlier', BuiltinTimeZoneGetInstantFor subtracts a * negative number of nanoseconds from a PlainDateTime, which should balance * with the microseconds field. * * This returns an instance of a custom time zone class which skips a length * of time equal to shiftNanoseconds (a number), at the Temporal.Instant * shiftInstant. Before shiftInstant, it's identical to UTC, and after * shiftInstant it's a constant-offset time zone. * * It provides a getPossibleInstantsForCalledWith member which is an array * with the result of calling toString() on any PlainDateTimes passed to * getPossibleInstantsFor(). */ oneShiftTimeZone(shiftInstant, shiftNanoseconds) { class OneShiftTimeZone extends Temporal.TimeZone { constructor(shiftInstant, shiftNanoseconds) { super("+00:00"); this._shiftInstant = shiftInstant; this._epoch1 = shiftInstant.epochNanoseconds; this._epoch2 = this._epoch1 + BigInt(shiftNanoseconds); this._shiftNanoseconds = shiftNanoseconds; this._shift = new Temporal.Duration(0, 0, 0, 0, 0, 0, 0, 0, 0, this._shiftNanoseconds); this.getPossibleInstantsForCalledWith = []; } _isBeforeShift(instant) { return instant.epochNanoseconds < this._epoch1; } getOffsetNanosecondsFor(instant) { return this._isBeforeShift(instant) ? 0 : this._shiftNanoseconds; } getPossibleInstantsFor(plainDateTime) { this.getPossibleInstantsForCalledWith.push(plainDateTime.toString({ calendarName: "never" })); const [instant] = super.getPossibleInstantsFor(plainDateTime); if (this._shiftNanoseconds > 0) { if (this._isBeforeShift(instant)) return [instant]; if (instant.epochNanoseconds < this._epoch2) return []; return [instant.subtract(this._shift)]; } if (instant.epochNanoseconds < this._epoch2) return [instant]; const shifted = instant.subtract(this._shift); if (this._isBeforeShift(instant)) return [instant, shifted]; return [shifted]; } getNextTransition(instant) { return this._isBeforeShift(instant) ? this._shiftInstant : null; } getPreviousTransition(instant) { return this._isBeforeShift(instant) ? null : this._shiftInstant; } toString() { return "Custom/One_Shift"; } } return new OneShiftTimeZone(shiftInstant, shiftNanoseconds); }, /* * propertyBagObserver(): * Returns an object that behaves like the given propertyBag but tracks Get * and Has operations on any of its properties, by appending messages to an * array. If the value of a property in propertyBag is a primitive, the value * of the returned object's property will additionally be a * TemporalHelpers.toPrimitiveObserver that will track calls to its toString * and valueOf methods in the same array. This is for the purpose of testing * order of operations that are observable from user code. objectName is used * in the log. */ propertyBagObserver(calls, propertyBag, objectName) { return new Proxy(propertyBag, { ownKeys(target) { calls.push(`ownKeys ${objectName}`); return Reflect.ownKeys(target); }, getOwnPropertyDescriptor(target, key) { calls.push(`getOwnPropertyDescriptor ${formatPropertyName(key, objectName)}`); return Reflect.getOwnPropertyDescriptor(target, key); }, get(target, key, receiver) { calls.push(`get ${formatPropertyName(key, objectName)}`); const result = Reflect.get(target, key, receiver); if (result === undefined) { return undefined; } if ((result !== null && typeof result === "object") || typeof result === "function") { return result; } return TemporalHelpers.toPrimitiveObserver(calls, result, `${formatPropertyName(key, objectName)}`); }, has(target, key) { calls.push(`has ${formatPropertyName(key, objectName)}`); return Reflect.has(target, key); }, }); }, /* * specificOffsetTimeZone(): * * This returns an instance of a custom time zone class, which returns a * specific custom value from its getOffsetNanosecondsFrom() method. This is * for the purpose of testing the validation of what this method returns. * * It also returns an empty array from getPossibleInstantsFor(), so as to * trigger calls to getOffsetNanosecondsFor() when used from the * BuiltinTimeZoneGetInstantFor operation. */ specificOffsetTimeZone(offsetValue) { class SpecificOffsetTimeZone extends Temporal.TimeZone { constructor(offsetValue) { super("UTC"); this._offsetValue = offsetValue; } getOffsetNanosecondsFor() { return this._offsetValue; } getPossibleInstantsFor(dt) { if (typeof this._offsetValue !== 'number' || Math.abs(this._offsetValue) >= 86400e9 || isNaN(this._offsetValue)) return []; const zdt = dt.toZonedDateTime("UTC").add({ nanoseconds: -this._offsetValue }); return [zdt.toInstant()]; } get id() { return this.getOffsetStringFor(new Temporal.Instant(0n)); } } return new SpecificOffsetTimeZone(offsetValue); }, /* * springForwardFallBackTimeZone(): * * This returns an instance of a custom time zone class that implements one * single spring-forward/fall-back transition, for the purpose of testing the * disambiguation option, without depending on system time zone data. * * The spring-forward occurs at epoch second 954669600 (2000-04-02T02:00 * local) and goes from offset -08:00 to -07:00. * * The fall-back occurs at epoch second 972810000 (2000-10-29T02:00 local) and * goes from offset -07:00 to -08:00. */ springForwardFallBackTimeZone() { const { compare } = Temporal.PlainDateTime; const springForwardLocal = new Temporal.PlainDateTime(2000, 4, 2, 2); const springForwardEpoch = 954669600_000_000_000n; const fallBackLocal = new Temporal.PlainDateTime(2000, 10, 29, 1); const fallBackEpoch = 972810000_000_000_000n; const winterOffset = new Temporal.TimeZone('-08:00'); const summerOffset = new Temporal.TimeZone('-07:00'); class SpringForwardFallBackTimeZone extends Temporal.TimeZone { constructor() { super("-08:00"); } getOffsetNanosecondsFor(instant) { if (instant.epochNanoseconds < springForwardEpoch || instant.epochNanoseconds >= fallBackEpoch) { return winterOffset.getOffsetNanosecondsFor(instant); } return summerOffset.getOffsetNanosecondsFor(instant); } getPossibleInstantsFor(datetime) { if (compare(datetime, springForwardLocal) >= 0 && compare(datetime, springForwardLocal.add({ hours: 1 })) < 0) { return []; } if (compare(datetime, fallBackLocal) >= 0 && compare(datetime, fallBackLocal.add({ hours: 1 })) < 0) { return [summerOffset.getInstantFor(datetime), winterOffset.getInstantFor(datetime)]; } if (compare(datetime, springForwardLocal) < 0 || compare(datetime, fallBackLocal) >= 0) { return [winterOffset.getInstantFor(datetime)]; } return [summerOffset.getInstantFor(datetime)]; } getPreviousTransition(instant) { if (instant.epochNanoseconds > fallBackEpoch) return new Temporal.Instant(fallBackEpoch); if (instant.epochNanoseconds > springForwardEpoch) return new Temporal.Instant(springForwardEpoch); return null; } getNextTransition(instant) { if (instant.epochNanoseconds < springForwardEpoch) return new Temporal.Instant(springForwardEpoch); if (instant.epochNanoseconds < fallBackEpoch) return new Temporal.Instant(fallBackEpoch); return null; } get id() { return "Custom/Spring_Fall"; } toString() { return "Custom/Spring_Fall"; } } return new SpringForwardFallBackTimeZone(); }, /* * timeZoneObserver: * A custom calendar that behaves exactly like the UTC time zone but tracks * calls to any of its methods, and Get/Has operations on its properties, by * appending messages to an array. This is for the purpose of testing order of * operations that are observable from user code. objectName is used in the * log. methodOverrides is an optional object containing properties with the * same name as Temporal.TimeZone methods. If the property value is a function * it will be called with the proper arguments instead of the UTC method. * Otherwise, the property value will be returned directly. */ timeZoneObserver(calls, objectName, methodOverrides = {}) { const utc = new Temporal.TimeZone("UTC"); const trackingMethods = { id: "UTC", }; // Automatically generate the methods ["getOffsetNanosecondsFor", "getPossibleInstantsFor", "toString"].forEach((methodName) => { trackingMethods[methodName] = function (...args) { calls.push(`call ${formatPropertyName(methodName, objectName)}`); if (methodName in methodOverrides) { const value = methodOverrides[methodName]; return typeof value === "function" ? value(...args) : value; } return utc[methodName](...args); }; }); return new Proxy(trackingMethods, { get(target, key, receiver) { const result = Reflect.get(target, key, receiver); calls.push(`get ${formatPropertyName(key, objectName)}`); return result; }, has(target, key) { calls.push(`has ${formatPropertyName(key, objectName)}`); return Reflect.has(target, key); }, }); }, /* * A custom time zone that does not allow any of its methods to be called, for * the purpose of asserting that a particular operation does not call into * user code. */ timeZoneThrowEverything() { class TimeZoneThrowEverything extends Temporal.TimeZone { constructor() { super("UTC"); } getOffsetNanosecondsFor() { TemporalHelpers.assertUnreachable("getOffsetNanosecondsFor should not be called"); } getPossibleInstantsFor() { TemporalHelpers.assertUnreachable("getPossibleInstantsFor should not be called"); } toString() { TemporalHelpers.assertUnreachable("toString should not be called"); } } return new TimeZoneThrowEverything(); }, /* * Returns an object that will append logs of any Gets or Calls of its valueOf * or toString properties to the array calls. Both valueOf and toString will * return the actual primitiveValue. propertyName is used in the log. */ toPrimitiveObserver(calls, primitiveValue, propertyName) { return { get valueOf() { calls.push(`get ${propertyName}.valueOf`); return function () { calls.push(`call ${propertyName}.valueOf`); return primitiveValue; }; }, get toString() { calls.push(`get ${propertyName}.toString`); return function () { calls.push(`call ${propertyName}.toString`); if (primitiveValue === undefined) return undefined; return primitiveValue.toString(); }; }, }; }, /* * An object containing further methods that return arrays of ISO strings, for * testing parsers. */ ISO: { /* * PlainMonthDay strings that are not valid. */ plainMonthDayStringsInvalid() { return [ "11-18junk", "11-18[u-ca=gregory]", "11-18[u-ca=hebrew]", "11-18[U-CA=iso8601]", "11-18[u-CA=iso8601]", "11-18[FOO=bar]", ]; }, /* * PlainMonthDay strings that are valid and that should produce October 1st. */ plainMonthDayStringsValid() { return [ "10-01", "1001", "1965-10-01", "1976-10-01T152330.1+00:00", "19761001T15:23:30.1+00:00", "1976-10-01T15:23:30.1+0000", "1976-10-01T152330.1+0000", "19761001T15:23:30.1+0000", "19761001T152330.1+00:00", "19761001T152330.1+0000", "+001976-10-01T152330.1+00:00", "+0019761001T15:23:30.1+00:00", "+001976-10-01T15:23:30.1+0000", "+001976-10-01T152330.1+0000", "+0019761001T15:23:30.1+0000", "+0019761001T152330.1+00:00", "+0019761001T152330.1+0000", "1976-10-01T15:23:00", "1976-10-01T15:23", "1976-10-01T15", "1976-10-01", "--10-01", "--1001", ]; }, /* * PlainTime strings that may be mistaken for PlainMonthDay or * PlainYearMonth strings, and so require a time designator. */ plainTimeStringsAmbiguous() { const ambiguousStrings = [ "2021-12", // ambiguity between YYYY-MM and HHMM-UU "2021-12[-12:00]", // ditto, TZ does not disambiguate "1214", // ambiguity between MMDD and HHMM "0229", // ditto, including MMDD that doesn't occur every year "1130", // ditto, including DD that doesn't occur in every month "12-14", // ambiguity between MM-DD and HH-UU "12-14[-14:00]", // ditto, TZ does not disambiguate "202112", // ambiguity between YYYYMM and HHMMSS "202112[UTC]", // ditto, TZ does not disambiguate ]; // Adding a calendar annotation to one of these strings must not cause // disambiguation in favour of time. const stringsWithCalendar = ambiguousStrings.map((s) => s + '[u-ca=iso8601]'); return ambiguousStrings.concat(stringsWithCalendar); }, /* * PlainTime strings that are of similar form to PlainMonthDay and * PlainYearMonth strings, but are not ambiguous due to components that * aren't valid as months or days. */ plainTimeStringsUnambiguous() { return [ "2021-13", // 13 is not a month "202113", // ditto "2021-13[-13:00]", // ditto "202113[-13:00]", // ditto "0000-00", // 0 is not a month "000000", // ditto "0000-00[UTC]", // ditto "000000[UTC]", // ditto "1314", // 13 is not a month "13-14", // ditto "1232", // 32 is not a day "0230", // 30 is not a day in February "0631", // 31 is not a day in June "0000", // 0 is neither a month nor a day "00-00", // ditto ]; }, /* * PlainYearMonth-like strings that are not valid. */ plainYearMonthStringsInvalid() { return [ "2020-13", "1976-11[u-ca=gregory]", "1976-11[u-ca=hebrew]", "1976-11[U-CA=iso8601]", "1976-11[u-CA=iso8601]", "1976-11[FOO=bar]", ]; }, /* * PlainYearMonth-like strings that are valid and should produce November * 1976 in the ISO 8601 calendar. */ plainYearMonthStringsValid() { return [ "1976-11", "1976-11-10", "1976-11-01T09:00:00+00:00", "1976-11-01T00:00:00+05:00", "197611", "+00197611", "1976-11-18T15:23:30.1\u221202:00", "1976-11-18T152330.1+00:00", "19761118T15:23:30.1+00:00", "1976-11-18T15:23:30.1+0000", "1976-11-18T152330.1+0000", "19761118T15:23:30.1+0000", "19761118T152330.1+00:00", "19761118T152330.1+0000", "+001976-11-18T152330.1+00:00", "+0019761118T15:23:30.1+00:00", "+001976-11-18T15:23:30.1+0000", "+001976-11-18T152330.1+0000", "+0019761118T15:23:30.1+0000", "+0019761118T152330.1+00:00", "+0019761118T152330.1+0000", "1976-11-18T15:23", "1976-11-18T15", "1976-11-18", ]; }, /* * PlainYearMonth-like strings that are valid and should produce November of * the ISO year -9999. */ plainYearMonthStringsValidNegativeYear() { return [ "\u2212009999-11", ]; }, } }; // file: testTypedArray.js // Copyright (C) 2015 André Bargull. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Collection of functions used to assert the correctness of TypedArray objects. defines: - floatArrayConstructors - nonClampedIntArrayConstructors - intArrayConstructors - typedArrayConstructors - TypedArray - testWithTypedArrayConstructors - nonAtomicsFriendlyTypedArrayConstructors - testWithAtomicsFriendlyTypedArrayConstructors - testWithNonAtomicsFriendlyTypedArrayConstructors - testTypedArrayConversions ---*/ var floatArrayConstructors = [ Float64Array, Float32Array ]; var nonClampedIntArrayConstructors = [ Int32Array, Int16Array, Int8Array, Uint32Array, Uint16Array, Uint8Array ]; var intArrayConstructors = nonClampedIntArrayConstructors.concat([Uint8ClampedArray]); // Float16Array is a newer feature // adding it to this list unconditionally would cause implementations lacking it to fail every test which uses it if (typeof Float16Array !== 'undefined') { floatArrayConstructors.push(Float16Array); } /** * Array containing every non-bigint typed array constructor. */ var typedArrayConstructors = floatArrayConstructors.concat(intArrayConstructors); /** * The %TypedArray% intrinsic constructor function. */ var TypedArray = Object.getPrototypeOf(Int8Array); /** * Callback for testing a typed array constructor. * * @callback typedArrayConstructorCallback * @param {Function} Constructor the constructor object to test with. */ /** * Calls the provided function for every typed array constructor. * * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor. * @param {Array} selected - An optional Array with filtered typed arrays */ function testWithTypedArrayConstructors(f, selected) { var constructors = selected || typedArrayConstructors; for (var i = 0; i < constructors.length; ++i) { var constructor = constructors[i]; try { f(constructor); } catch (e) { e.message += " (Testing with " + constructor.name + ".)"; throw e; } } } var nonAtomicsFriendlyTypedArrayConstructors = floatArrayConstructors.concat([Uint8ClampedArray]); /** * Calls the provided function for every non-"Atomics Friendly" typed array constructor. * * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor. * @param {Array} selected - An optional Array with filtered typed arrays */ function testWithNonAtomicsFriendlyTypedArrayConstructors(f) { testWithTypedArrayConstructors(f, nonAtomicsFriendlyTypedArrayConstructors); } /** * Calls the provided function for every "Atomics Friendly" typed array constructor. * * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor. * @param {Array} selected - An optional Array with filtered typed arrays */ function testWithAtomicsFriendlyTypedArrayConstructors(f) { testWithTypedArrayConstructors(f, [ Int32Array, Int16Array, Int8Array, Uint32Array, Uint16Array, Uint8Array, ]); } /** * Helper for conversion operations on TypedArrays, the expected values * properties are indexed in order to match the respective value for each * TypedArray constructor * @param {Function} fn - the function to call for each constructor and value. * will be called with the constructor, value, expected * value, and a initial value that can be used to avoid * a false positive with an equivalent expected value. */ function testTypedArrayConversions(byteConversionValues, fn) { var values = byteConversionValues.values; var expected = byteConversionValues.expected; testWithTypedArrayConstructors(function(TA) { var name = TA.name.slice(0, -5); return values.forEach(function(value, index) { var exp = expected[name][index]; var initial = 0; if (exp === 0) { initial = 1; } fn(TA, value, exp, initial); }); }); } /** * Checks if the given argument is one of the float-based TypedArray constructors. * * @param {constructor} ctor - the value to check * @returns {boolean} */ function isFloatTypedArrayConstructor(arg) { return floatArrayConstructors.indexOf(arg) !== -1; } /** * Determines the precision of the given float-based TypedArray constructor. * * @param {constructor} ctor - the value to check * @returns {string} "half", "single", or "double" for Float16Array, Float32Array, and Float64Array respectively. */ function floatTypedArrayConstructorPrecision(FA) { if (typeof Float16Array !== "undefined" && FA === Float16Array) { return "half"; } else if (FA === Float32Array) { return "single"; } else if (FA === Float64Array) { return "double"; } else { throw new Error("Malformed test - floatTypedArrayConstructorPrecision called with non-float TypedArray"); } } // file: timer.js // Copyright (C) 2017 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: | Used in website/scripts/sth.js defines: [setTimeout] ---*/ //setTimeout is not available, hence this script was loaded if (Promise === undefined && this.setTimeout === undefined) { if(/\$DONE()/.test(code)) throw new Test262Error("Async test capability is not supported in your test environment"); } if (Promise !== undefined && this.setTimeout === undefined) { (function(that) { that.setTimeout = function(callback, delay) { var p = Promise.resolve(); var start = Date.now(); var end = start + delay; function check(){ var timeLeft = end - Date.now(); if(timeLeft > 0) p.then(check); else callback(); } p.then(check); } })(this); }